Stackage Nightly 2020-02-07 (ghc-8.8.2)
Published on 2020-02-07 : View changes
resolver: nightly-2020-02-07
Packages (2246)
| Package | Synopsis | 
|---|---|
| abstract-deque-0.3 | Abstract, parameterized interface to mutable Deques | 
| abstract-par-0.3.3 | Type classes generalizing the functionality of the 'monad-par' library | 
| AC-Angle-1.0 | Angles in degrees and radians | 
| accuerr-0.2.0.2 | Data type like Either but with accumulating error type | 
| ace-0.6 | Attempto Controlled English parser and printer | 
| action-permutations-0.0.0.1 | Execute a set of actions (e.g. parsers) in each possible order | 
| active-0.2.0.14 | Abstractions for animation | 
| ad-4.4 | Automatic Differentiation | 
| adjunctions-4.4 | Adjunctions and representable functors | 
| adler32-0.1.2.0 | An implementation of Adler-32, supporting rolling checksum operation | 
| advent-of-code-api-0.2.7.0 | Advent of Code REST API bindings and servant API | 
| aeson-1.4.6.0 | Fast JSON parsing and encoding | 
| aeson-attoparsec-0.0.0 | Embed an Attoparsec text parser into an Aeson parser | 
| aeson-better-errors-0.9.1.0 | Better error messages when decoding JSON values | 
| aeson-casing-0.2.0.0 | Tools to change the formatting of field names in Aeson instances | 
| aeson-compat-0.3.9 | Compatibility layer for aeson | 
| aeson-diff-1.1.0.8 | Extract and apply patches to JSON documents | 
| aeson-generic-compat-0.0.1.3 | Compatible generic class names of Aeson | 
| aeson-lens-0.5.0.0 | Lens of Aeson | 
| aeson-optics-1.1.0.1 | Law-abiding optics for aeson | 
| aeson-picker-0.1.0.5 | Tiny library to get fields from JSON format | 
| aeson-pretty-0.8.8 | JSON pretty-printing library and command-line tool | 
| aeson-qq-0.8.3 | JSON quasiquoter for Haskell | 
| aeson-schemas-1.0.3 | Easily consume JSON data on-demand with type-safety | 
| aeson-utils-0.3.0.2 | Utilities for working with Aeson | 
| aeson-yak-0.1.1.3 | Handle JSON that may or may not be a list, or exist | 
| aeson-yaml-1.0.5.0 | Output any Aeson value as YAML (pure Haskell library) | 
| al-0.1.4.2 | OpenAL 1.1 raw API | 
| alerts-0.1.2.0 | Alert messages for web applications | 
| alex-3.2.5 | Alex is a tool for generating lexical analysers in Haskell | 
| alg-0.2.13.1 | Algebraic structures | 
| algebraic-graphs-0.5 | A library for algebraic graph construction and transformation | 
| Allure-0.9.5.0 | Near-future Sci-Fi roguelike and tactical squad combat game | 
| almost-fix-0.0.2 | Recurse while a predicate is satisfied | 
| alsa-core-0.5.0.1 | Binding to the ALSA Library API (Exceptions) | 
| alsa-mixer-0.3.0 | Bindings to the ALSA simple mixer API | 
| alsa-pcm-0.6.1.1 | Binding to the ALSA Library API (PCM audio) | 
| alsa-seq-0.6.0.7 | Binding to the ALSA Library API (MIDI sequencer) | 
| alternative-vector-0.0.0 | Use vectors instead of lists for many and some | 
| ALUT-2.4.0.3 | A binding for the OpenAL Utility Toolkit | 
| amazonka-1.6.1 | Comprehensive Amazon Web Services SDK | 
| amazonka-apigateway-1.6.1 | Amazon API Gateway SDK | 
| amazonka-application-autoscaling-1.6.1 | Amazon Application Auto Scaling SDK | 
| amazonka-appstream-1.6.1 | Amazon AppStream SDK | 
| amazonka-athena-1.6.1 | Amazon Athena SDK | 
| amazonka-autoscaling-1.6.1 | Amazon Auto Scaling SDK | 
| amazonka-budgets-1.6.1 | Amazon Budgets SDK | 
| amazonka-certificatemanager-1.6.1 | Amazon Certificate Manager SDK | 
| amazonka-cloudformation-1.6.1 | Amazon CloudFormation SDK | 
| amazonka-cloudfront-1.6.1 | Amazon CloudFront SDK | 
| amazonka-cloudhsm-1.6.1 | Amazon CloudHSM SDK | 
| amazonka-cloudsearch-1.6.1 | Amazon CloudSearch SDK | 
| amazonka-cloudsearch-domains-1.6.1 | Amazon CloudSearch Domain SDK | 
| amazonka-cloudtrail-1.6.1 | Amazon CloudTrail SDK | 
| amazonka-cloudwatch-1.6.1 | Amazon CloudWatch SDK | 
| amazonka-cloudwatch-events-1.6.1 | Amazon CloudWatch Events SDK | 
| amazonka-cloudwatch-logs-1.6.1 | Amazon CloudWatch Logs SDK | 
| amazonka-codebuild-1.6.1 | Amazon CodeBuild SDK | 
| amazonka-codecommit-1.6.1 | Amazon CodeCommit SDK | 
| amazonka-codedeploy-1.6.1 | Amazon CodeDeploy SDK | 
| amazonka-codepipeline-1.6.1 | Amazon CodePipeline SDK | 
| amazonka-cognito-identity-1.6.1 | Amazon Cognito Identity SDK | 
| amazonka-cognito-idp-1.6.1 | Amazon Cognito Identity Provider SDK | 
| amazonka-cognito-sync-1.6.1 | Amazon Cognito Sync SDK | 
| amazonka-config-1.6.1 | Amazon Config SDK | 
| amazonka-core-1.6.1 | Core data types and functionality for Amazonka libraries | 
| amazonka-datapipeline-1.6.1 | Amazon Data Pipeline SDK | 
| amazonka-devicefarm-1.6.1 | Amazon Device Farm SDK | 
| amazonka-directconnect-1.6.1 | Amazon Direct Connect SDK | 
| amazonka-discovery-1.6.1 | Amazon Application Discovery Service SDK | 
| amazonka-dms-1.6.1 | Amazon Database Migration Service SDK | 
| amazonka-ds-1.6.1 | Amazon Directory Service SDK | 
| amazonka-dynamodb-1.6.1 | Amazon DynamoDB SDK | 
| amazonka-dynamodb-streams-1.6.1 | Amazon DynamoDB Streams SDK | 
| amazonka-ecr-1.6.1 | Amazon EC2 Container Registry SDK | 
| amazonka-ecs-1.6.1 | Amazon EC2 Container Service SDK | 
| amazonka-efs-1.6.1 | Amazon Elastic File System SDK | 
| amazonka-elasticache-1.6.1 | Amazon ElastiCache SDK | 
| amazonka-elasticbeanstalk-1.6.1 | Amazon Elastic Beanstalk SDK | 
| amazonka-elasticsearch-1.6.1 | Amazon Elasticsearch Service SDK | 
| amazonka-elastictranscoder-1.6.1 | Amazon Elastic Transcoder SDK | 
| amazonka-elb-1.6.1 | Amazon Elastic Load Balancing SDK | 
| amazonka-elbv2-1.6.1 | Amazon Elastic Load Balancing SDK | 
| amazonka-emr-1.6.1 | Amazon Elastic MapReduce SDK | 
| amazonka-gamelift-1.6.1 | Amazon GameLift SDK | 
| amazonka-glacier-1.6.1 | Amazon Glacier SDK | 
| amazonka-glue-1.6.1 | Amazon Glue SDK | 
| amazonka-health-1.6.1 | Amazon Health APIs and Notifications SDK | 
| amazonka-iam-1.6.1 | Amazon Identity and Access Management SDK | 
| amazonka-importexport-1.6.1 | Amazon Import/Export SDK | 
| amazonka-inspector-1.6.1 | Amazon Inspector SDK | 
| amazonka-iot-1.6.1 | Amazon IoT SDK | 
| amazonka-iot-dataplane-1.6.1 | Amazon IoT Data Plane SDK | 
| amazonka-kinesis-1.6.1 | Amazon Kinesis SDK | 
| amazonka-kinesis-analytics-1.6.1 | Amazon Kinesis Analytics SDK | 
| amazonka-kinesis-firehose-1.6.1 | Amazon Kinesis Firehose SDK | 
| amazonka-kms-1.6.1 | Amazon Key Management Service SDK | 
| amazonka-lambda-1.6.1 | Amazon Lambda SDK | 
| amazonka-lightsail-1.6.1 | Amazon Lightsail SDK | 
| amazonka-marketplace-analytics-1.6.1 | Amazon Marketplace Commerce Analytics SDK | 
| amazonka-marketplace-metering-1.6.1 | Amazon Marketplace Metering SDK | 
| amazonka-ml-1.6.1 | Amazon Machine Learning SDK | 
| amazonka-opsworks-1.6.1 | Amazon OpsWorks SDK | 
| amazonka-opsworks-cm-1.6.1 | Amazon OpsWorks for Chef Automate SDK | 
| amazonka-pinpoint-1.6.1 | Amazon Pinpoint SDK | 
| amazonka-polly-1.6.1 | Amazon Polly SDK | 
| amazonka-rds-1.6.1 | Amazon Relational Database Service SDK | 
| amazonka-redshift-1.6.1 | Amazon Redshift SDK | 
| amazonka-rekognition-1.6.1 | Amazon Rekognition SDK | 
| amazonka-route53-1.6.1 | Amazon Route 53 SDK | 
| amazonka-route53-domains-1.6.1 | Amazon Route 53 Domains SDK | 
| amazonka-s3-1.6.1 | Amazon Simple Storage Service SDK | 
| amazonka-sdb-1.6.1 | Amazon SimpleDB SDK | 
| amazonka-servicecatalog-1.6.1 | Amazon Service Catalog SDK | 
| amazonka-ses-1.6.1 | Amazon Simple Email Service SDK | 
| amazonka-shield-1.6.1 | Amazon Shield SDK | 
| amazonka-sms-1.6.1 | Amazon Server Migration Service SDK | 
| amazonka-snowball-1.6.1 | Amazon Import/Export Snowball SDK | 
| amazonka-sns-1.6.1 | Amazon Simple Notification Service SDK | 
| amazonka-sqs-1.6.1 | Amazon Simple Queue Service SDK | 
| amazonka-ssm-1.6.1 | Amazon Simple Systems Manager (SSM) SDK | 
| amazonka-stepfunctions-1.6.1 | Amazon Step Functions SDK | 
| amazonka-storagegateway-1.6.1 | Amazon Storage Gateway SDK | 
| amazonka-sts-1.6.1 | Amazon Security Token Service SDK | 
| amazonka-support-1.6.1 | Amazon Support SDK | 
| amazonka-swf-1.6.1 | Amazon Simple Workflow Service SDK | 
| amazonka-test-1.6.1 | Common functionality for Amazonka library test-suites | 
| amazonka-waf-1.6.1 | Amazon WAF SDK | 
| amazonka-workspaces-1.6.1 | Amazon WorkSpaces SDK | 
| amazonka-xray-1.6.1 | Amazon X-Ray SDK | 
| amqp-0.19.1 | Client library for AMQP servers (currently only RabbitMQ) | 
| annotated-wl-pprint-0.7.0 | The Wadler/Leijen Pretty Printer, with annotation support | 
| ansi-terminal-0.10.2 | Simple ANSI terminal support, with Windows compatibility | 
| ansi-wl-pprint-0.6.9 | The Wadler/Leijen Pretty Printer for colored ANSI terminal output | 
| antiope-core-7.4.5 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | 
| antiope-dynamodb-7.4.5 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | 
| antiope-messages-7.4.5 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | 
| antiope-s3-7.4.5 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | 
| antiope-sns-7.4.5 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | 
| antiope-sqs-7.4.5 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | 
| ANum-0.2.0.2 | Num instance for Applicatives provided via the ANum newtype | 
| api-field-json-th-0.1.0.2 | option of aeson's deriveJSON | 
| appar-0.1.8 | A simple applicative parser | 
| appendmap-0.1.5 | Map with a Semigroup and Monoid instances delegating to Semigroup of the elements | 
| apportionment-0.0.0.3 | Round a set of numbers while maintaining its sum | 
| approximate-0.3.2 | Approximate discrete values and numbers | 
| app-settings-0.2.0.12 | A library to manage application settings (INI file-like) | 
| arbor-lru-cache-0.1.1.1 | LRU cache based on STM | 
| arbor-postgres-0.0.5 | Convenience types and functions for postgresql-simple | 
| arithmoi-0.10.0.0 | Efficient basic number-theoretic functions | 
| array-0.5.4.0 | Mutable and immutable arrays | 
| array-memoize-0.6.0 | Memoization combinators using arrays for finite sub-domains of functions | 
| arrow-extras-0.1.0.1 | Extra functions for Control.Arrow | 
| asciidiagram-1.3.3.3 | Pretty rendering of Ascii diagram into svg or png | 
| ascii-progress-0.3.3.0 | A simple progress bar for the console | 
| asif-6.0.4 | Library for creating and querying segmented feeds | 
| asn1-encoding-0.9.6 | ASN1 data reader and writer in RAW, BER and DER forms | 
| asn1-parse-0.9.5 | Simple monadic parser for ASN1 stream types | 
| asn1-types-0.3.3 | ASN.1 types | 
| assert-failure-0.1.2.2 | Syntactic sugar improving 'assert' and 'error' | 
| assoc-1.0.1 | swap and assoc: Symmetric and Semigroupy Bifunctors | 
| astro-0.4.2.1 | Amateur astronomical computations | 
| async-2.2.2 | Run IO operations asynchronously and wait for their results | 
| async-extra-0.2.0.0 | Useful concurrent combinators | 
| async-refresh-0.3.0.0 | Package implementing core logic for refreshing of expiring data | 
| async-refresh-tokens-0.4.0.0 | Package implementing core logic for refreshing of expiring access tokens | 
| async-timer-0.2.0.0 | Provides API for timer based execution of IO actions | 
| atom-basic-0.2.5 | Basic Atom feed construction | 
| atomic-primops-0.8.3 | A safe approach to CAS and other atomic ops in Haskell | 
| atomic-write-0.2.0.7 | Atomically write to a file | 
| attoparsec-0.13.2.3 | Fast combinator parsing for bytestrings and text | 
| attoparsec-base64-0.0.0 | Fetch only base64 characters, erroring in the attoparsec monad on failure | 
| attoparsec-binary-0.2 | Binary processing extensions to Attoparsec | 
| attoparsec-expr-0.1.1.2 | Port of parsec's expression parser to attoparsec | 
| attoparsec-ip-0.0.5 | Parse IP data types with attoparsec | 
| attoparsec-iso8601-1.0.1.0 | Parsing of ISO 8601 dates, originally from aeson | 
| attoparsec-path-0.0.0.1 | Convenience bindings between path and attoparsec | 
| attoparsec-uri-0.0.7 | URI parser / printer using attoparsec | 
| audacity-0.0.2 | Interchange with the Audacity sound signal editor | 
| aur-6.2.0.1 | Access metadata from the Arch Linux User Repository | 
| authenticate-1.3.5 | Authentication methods for Haskell web applications | 
| authenticate-oauth-1.6.0.1 | Library to authenticate with OAuth for Haskell web applications | 
| auto-0.4.3.1 | Denotative, locally stateful programming DSL & platform | 
| autoexporter-1.1.15 | Automatically re-export modules | 
| auto-update-0.1.6 | Efficiently run periodic, on-demand actions | 
| avers-0.0.17.1 | Server-side implementation of the Avers storage model | 
| avro-0.4.6.0 | Avro serialization support for Haskell | 
| aws-cloudfront-signed-cookies-0.2.0.1 | Generate signed cookies for AWS CloudFront | 
| base-4.13.0.0 | Basic libraries | 
| base16-bytestring-0.1.1.6 | Fast base16 (hex) encoding and decoding for ByteStrings | 
| base32string-0.9.1 | Fast and safe representation of a Base-32 string | 
| base58string-0.10.0 | Fast and safe representation of a Base-58 string | 
| base64-0.4.1 | Fast RFC 4648-compliant Base64 encoding | 
| base64-bytestring-1.0.0.3 | Fast base64 encoding and decoding for ByteStrings | 
| base64-bytestring-type-1.0.1 | A newtype around ByteString, for base64 encoding | 
| base64-lens-0.2.0 | Optics for the Base64 library | 
| base64-string-0.2 | Base64 implementation for String's | 
| base-compat-0.11.1 | A compatibility layer for base | 
| base-compat-batteries-0.11.1 | base-compat with extra batteries | 
| basement-0.0.11 | Foundation scrap box of array & string | 
| base-orphans-0.8.2 | Backwards-compatible orphan instances for base | 
| base-prelude-1.3 | The most complete prelude formed solely from the "base" package | 
| base-unicode-symbols-0.2.4.2 | Unicode alternatives for common functions and operators | 
| basic-prelude-0.7.0 | An enhanced core prelude; a common foundation for alternate preludes | 
| bazel-runfiles-0.7.0.1 | Locate Bazel runfiles location | 
| bbdb-0.8 | Ability to read, write, and modify BBDB files | 
| bcrypt-0.0.11 | Haskell bindings to the bcrypt password hash | 
| bench-1.0.12 | Command-line benchmark tool | 
| between-0.11.0.0 | Function combinator "between" and derived combinators | 
| bibtex-0.1.0.6 | Parse, format and processing BibTeX files | 
| bifunctors-5.5.7 | Bifunctors | 
| bimap-0.4.0 | Bidirectional mapping between two key types | 
| bimaps-0.1.0.2 | bijections with multiple implementations | 
| bimap-server-0.1.0.1 | Two-column database server | 
| bin-0.1 | Bin: binary natural numbers | 
| binary-0.8.7.0 | Binary serialisation for Haskell values using lazy ByteStrings | 
| binary-conduit-1.3.1 | data serialization/deserialization conduit library | 
| binary-ext-2.0.4 | An alternate with strong-typed errors for `Data.Binary.Get` monad from `binary` package | 
| binary-ieee754-0.1.0.0 | Backport ieee754 float double combinators to older binary | 
| binary-list-1.1.1.2 | Lists of length a power of two | 
| binary-orphans-1.0.1 | Compatibility package for binary; provides instances | 
| binary-parser-0.5.5 | A highly-efficient but limited parser API specialised for bytestrings | 
| binary-parsers-0.2.4.0 | Extends binary with parsec/attoparsec style parsing combinators | 
| binary-search-1.0.0.3 | Binary and exponential searches | 
| binary-shared-0.8.3 | Sharing for the binary package | 
| binary-tagged-0.2 | Tagged binary serialisation | 
| bindings-DSL-1.0.25 | FFI domain specific language, on top of hsc2hs | 
| bindings-GLFW-3.3.1.0 | Low-level bindings to GLFW OpenGL library | 
| bindings-libzip-1.0.1 | Low level bindings to libzip | 
| bindings-uname-0.1 | Low-level binding to POSIX uname(3) | 
| bins-0.1.2.0 | Aggregate continuous values into discrete bins | 
| bitarray-0.0.1.1 | Mutable and immutable bit arrays | 
| bits-0.5.2 | Various bit twiddling and bitwise serialization primitives | 
| bitset-word8-0.1.1.1 | Space efficient set of Word8 and some pre-canned sets useful for parsing HTTP | 
| bits-extra-0.0.1.5 | Useful bitwise operations | 
| bitvec-1.0.2.0 | Space-efficient bit vectors | 
| blake2-0.3.0 | A library providing BLAKE2 | 
| blanks-0.3.0 | Fill-in-the-blanks - A library factoring out substitution from ASTs | 
| blas-carray-0.1.0.1 | Auto-generated interface to Fortran BLAS via CArrays | 
| blas-comfort-array-0.0.0.2 | Auto-generated interface to Fortran BLAS via comfort-array | 
| blas-ffi-0.1 | Auto-generated interface to Fortran BLAS | 
| blaze-bootstrap-0.1.0.1 | Blaze helper functions for bootstrap pages | 
| blaze-builder-0.4.1.0 | Efficient buffered output | 
| blaze-html-0.9.1.2 | A blazingly fast HTML combinator library for Haskell | 
| blaze-markup-0.8.2.3 | A blazingly fast markup combinator library for Haskell | 
| blaze-svg-0.3.6.1 | SVG combinator library | 
| blaze-textual-0.2.1.0 | Fast rendering of common datatypes | 
| bmp-1.2.6.3 | Read and write uncompressed BMP image files | 
| boltzmann-samplers-0.1.1.0 | Uniform random generators | 
| Boolean-0.2.4 | Generalized booleans and numbers | 
| boolean-like-0.1.1.0 | Logical combinatory operations dealing with datatypes representing booleans by their constructors | 
| boolean-normal-forms-0.0.1.1 | Boolean normal form: NNF, DNF & CNF | 
| boolsimplifier-0.1.8 | Simplification tools for simple propositional formulas | 
| boots-0.2.0.1 | IoC Monad in Haskell | 
| bordacount-0.1.0.0 | Implementation of the Borda count election method | 
| boring-0.1.3 | Boring and Absurd types | 
| both-0.1.1.0 | Like Maybe, but with a different Monoid instance | 
| bound-2.0.1 | Making de Bruijn Succ Less | 
| BoundedChan-1.0.3.0 | Implementation of bounded channels | 
| bounded-queue-1.0.0 | A strict, immutable, thread-safe, single-ended, bounded queue | 
| boundingboxes-0.2.3 | A generic boundingbox for an arbitrary vector | 
| bower-json-1.0.0.1 | Read bower.json from Haskell | 
| boxes-0.1.5 | 2D text pretty-printing library | 
| brick-0.51 | A declarative terminal user interface library | 
| brittany-0.12.1.1 | Haskell source code formatter | 
| bsb-http-chunked-0.0.0.4 | Chunked HTTP transfer encoding for bytestring builders | 
| btrfs-0.2.0.0 | Bindings to the btrfs API | 
| buffer-builder-0.2.4.7 | Library for efficiently building up buffers, one piece at a time | 
| buffer-pipe-0.0 | Read from stdin and write to stdout in large blocks | 
| bugsnag-hs-0.1.0.0 | A Bugsnag client for Haskell | 
| butcher-1.3.2.3 | Chops a command or program invocation into digestable pieces | 
| bv-0.5 | Bit-vector arithmetic library | 
| bv-little-1.1.1 | Efficient little-endian bit vector library | 
| byteable-0.1.1 | Type class for sequence of bytes | 
| bytedump-1.0 | Flexible byte dump helpers for human readers | 
| byte-order-0.1.2.0 | Portable big-endian and little-endian conversions | 
| byteorder-1.0.4 | Exposes the native endianness or byte ordering of the system | 
| bytes-0.17 | Sharing code for serialization between binary and cereal | 
| byteset-0.1.1.0 | Set of bytes | 
| byteslice-0.2.1.0 | Slicing managed and unmanaged memory | 
| bytesmith-0.3.4.0 | Nonresumable byte parser | 
| bytestring-0.10.10.0 | Fast, compact, strict and lazy byte strings with a list interface | 
| bytestring-builder-0.10.8.2.0 | The new bytestring builder, packaged outside of GHC | 
| bytestring-conversion-0.3.1 | Type-classes to convert values to and from ByteString | 
| bytestring-lexing-0.5.0.2 | Parse and produce literals efficiently from strict or lazy bytestrings | 
| bytestring-strict-builder-0.4.5.3 | An efficient strict bytestring builder | 
| bytestring-to-vector-0.3.0.1 | Convert between ByteString and Vector.Storable without copying | 
| bytestring-tree-builder-0.2.7.3 | A very efficient ByteString builder implementation based on the binary tree | 
| bz2-0.1.1.1 | Bindings to libbz2 | 
| bzlib-conduit-0.3.0.2 | Streaming compression/decompression via conduits | 
| c2hs-0.28.6 | C->Haskell FFI tool that gives some cross-language type safety | 
| Cabal-3.0.0.0 | A framework for packaging Haskell software | 
| cabal2spec-2.5 | Convert Cabal files into rpm spec files | 
| cabal-doctest-1.0.8 | A Setup.hs helper for doctests running | 
| cabal-flatpak-0.1 | Generate a FlatPak manifest from a Cabal package description | 
| cabal-plan-0.6.2.0 | Library and utility for processing cabal's plan.json file | 
| cabal-rpm-2.0.1 | RPM packaging tool for Haskell Cabal-based packages | 
| cache-0.1.3.0 | An in-memory key/value store with expiration support | 
| cacophony-0.10.1 | A library implementing the Noise protocol | 
| calendar-recycling-0.0.0.1 | List years with the same calendars | 
| call-stack-0.2.0 | Use GHC call-stacks in a backward compatible way | 
| can-i-haz-0.3.1.0 | Generic implementation of the Has and CoHas patterns | 
| ca-province-codes-1.0.0.0 | ISO 3166-2:CA Province Codes and Names | 
| carray-0.1.6.8 | A C-compatible array library | 
| cased-0.1.0.0 | Track string casing in its type | 
| case-insensitive-1.2.1.0 | Case insensitive string comparison | 
| cases-0.1.3.2 | A converter for spinal, snake and camel cases | 
| casing-0.1.4.1 | Convert between various source code casing conventions | 
| cassava-0.5.2.0 | A CSV parsing and encoding library | 
| cassava-conduit-0.5.1 | Conduit interface for cassava package | 
| cassava-megaparsec-2.0.1 | Megaparsec parser of CSV files that plays nicely with Cassava | 
| cast-0.1.0.2 | Abstact cast pattern | 
| category-0.2.5.0 | Categorical types and classes | 
| cayley-client-0.4.11 | A Haskell client for the Cayley graph database | 
| cborg-0.2.2.1 | Concise Binary Object Representation (CBOR) | 
| cborg-json-0.2.2.0 | A library for encoding JSON as CBOR | 
| cereal-0.5.8.1 | A binary serialization library | 
| cereal-conduit-0.8.0 | Turn Data.Serialize Gets and Puts into Sources, Sinks, and Conduits | 
| cereal-text-0.1.0.2 | Data.Text instances for the cereal serialization library | 
| cereal-vector-0.2.0.1 | Serialize instances for Data.Vector types | 
| cfenv-0.1.0.0 | A library getting the environment when running on Cloud Foundry | 
| chan-0.0.4.1 | Some extra kit for Chans | 
| ChannelT-0.0.0.7 | Generalized stream processors | 
| charset-0.3.7.1 | Fast unicode character sets based on complemented PATRICIA tries | 
| charsetdetect-ae-1.1.0.4 | Character set detection using Mozilla's Universal Character Set Detector | 
| Chart-1.9.3 | A library for generating 2D Charts and Plots | 
| Chart-diagrams-1.9.3 | Diagrams backend for Charts | 
| chaselev-deque-0.5.0.5 | Chase & Lev work-stealing lock-free double-ended queues (deques) | 
| ChasingBottoms-1.3.1.7 | For testing partial and infinite values | 
| checkers-0.5.2 | Check properties on standard classes and data structures | 
| checksum-0.0 | Compute and verify checksums of ISBN, IBAN, etc | 
| chimera-0.3.0.0 | Lazy infinite streams with O(1) indexing | 
| choice-0.2.2 | A solution to boolean blindness | 
| chronologique-0.3.1.1 | Time to manipulate time | 
| chronos-1.1 | A performant time library | 
| chronos-bench-0.2.0.2 | Benchmarking tool with focus on comparing results | 
| chunked-data-0.3.1 | Typeclasses for dealing with various chunked data representations | 
| cipher-aes-0.2.11 | Fast AES cipher implementation with advanced mode of operations | 
| cipher-camellia-0.0.2 | Camellia block cipher primitives | 
| cipher-des-0.0.6 | DES and 3DES primitives | 
| cipher-rc4-0.1.4 | Fast RC4 cipher implementation | 
| circle-packing-0.1.0.6 | Simple heuristic for packing discs of varying radii in a circle | 
| cisco-spark-api-0.1.0.4 | DEPRECATED in favor of webex-teams-api | 
| classy-prelude-1.5.0 | A typeclass-based Prelude | 
| classy-prelude-conduit-1.5.0 | classy-prelude together with conduit functions | 
| classy-prelude-yesod-1.5.0 | Provide a classy prelude including common Yesod functionality | 
| clay-0.13.3 | CSS preprocessor as embedded Haskell | 
| clientsession-0.9.1.2 | Securely store session data in a client-side cookie | 
| climb-0.3.1 | Building blocks for a GHCi-like REPL with colon-commands | 
| Clipboard-2.3.2.0 | System clipboard interface | 
| clock-0.8 | High-resolution clock functions: monotonic, realtime, cputime | 
| clock-extras-0.1.0.2 | A couple functions that probably should be in the 'clock' package | 
| clr-host-0.2.1.0 | Hosting the Common Language Runtime | 
| clr-marshal-0.2.0.0 | Marshaling for the clr | 
| clumpiness-0.17.0.2 | Calculate the clumpiness of leaf properties in a tree | 
| ClustalParser-1.3.0 | Libary for parsing Clustal tools output | 
| cmark-0.6 | Fast, accurate CommonMark (Markdown) parser and renderer | 
| cmark-gfm-0.2.1 | Fast, accurate GitHub Flavored Markdown parser and renderer | 
| cmark-lucid-0.1.0.0 | Use cmark with Lucid | 
| cmdargs-0.10.20 | Command line argument processing | 
| codec-beam-0.2.0 | Erlang VM byte code assembler | 
| codec-rpm-0.2.2 | A library for manipulating RPM files | 
| code-page-0.2 | Windows code page library for Haskell | 
| coercible-utils-0.1.0 | Utility functions for Coercible types | 
| co-log-0.4.0.0 | Composable Contravariant Comonadic Logging Library | 
| co-log-core-0.2.1.0 | Composable Contravariant Comonadic Logging Library | 
| co-log-polysemy-0.0.1.0 | Composable Contravariant Comonadic Logging Library | 
| Color-0.1.2 | Color spaces and conversions between them | 
| colorful-monoids-0.2.1.2 | Styled console text output using ANSI escape sequences | 
| colorize-haskell-1.0.1 | Highligt Haskell source | 
| colour-2.3.5 | A model for human colour/color perception | 
| combinatorial-0.1.0.1 | Count, enumerate, rank and unrank combinatorial objects | 
| comfort-array-0.4 | Arrays where the index type is a function of the shape type | 
| comfort-graph-0.0.3.1 | Graph structure with type parameters for nodes and edges | 
| commutative-0.0.2 | Commutative binary operations | 
| comonad-5.0.6 | Comonads | 
| compactmap-0.1.4.2.1 | A read-only memory-efficient key-value store | 
| compensated-0.8.1 | Compensated floating-point arithmetic | 
| compiler-warnings-0.1.0 | Parser for common compiler warning formats | 
| composable-associations-0.1.0.0 | Types and helpers for composing types into a single larger key-value type | 
| composable-associations-aeson-0.1.0.0 | Aeson ToJSON/FromJSON implementation for the types of composable-associations | 
| composition-1.0.2.1 | Combinators for unorthodox function composition | 
| composition-extra-2.0.0 | Combinators for unorthodox structure composition | 
| concise-0.1.0.1 | Utilities for Control.Lens.Cons | 
| concurrency-1.8.1.0 | Typeclasses, functions, and data types for concurrency and STM | 
| concurrent-extra-0.7.0.12 | Extra concurrency primitives | 
| concurrent-output-1.10.11 | Ungarble output from several threads or commands | 
| concurrent-split-0.0.1.1 | MVars and Channels with distinguished input and output side | 
| cond-0.4.1.1 | Basic conditional and boolean operators with monadic variants | 
| conduit-1.3.1.2 | Streaming data processing library | 
| conduit-algorithms-0.0.11.0 | Conduit-based algorithms | 
| conduit-combinators-1.3.0 | DEPRECATED Functionality merged into the conduit package itself | 
| conduit-concurrent-map-0.1.1 | Concurrent, order-preserving mapping Conduit | 
| conduit-extra-1.3.4 | Batteries included conduit: adapters for common libraries | 
| conduit-parse-0.2.1.0 | Parsing framework based on conduit | 
| conduit-zstd-0.0.1.1 | Conduit-based ZStd Compression | 
| conferer-0.2.0.0 | Configuration management library | 
| conferer-hspec-0.2.0.0 | conferer's FromConfig instances for hspec Config | 
| conferer-provider-json-0.2.0.0 | conferer's provider for reading json files | 
| conferer-warp-0.2.0.0 | conferer's FromConfig instances for warp settings | 
| config-ini-0.2.4.0 | A library for simple INI-based configuration files | 
| configurator-0.3.0.0 | Configuration management | 
| configurator-export-0.1.0.1 | Pretty printer and exporter for configurations from the "configurator" library | 
| connection-0.3.1 | Simple and easy network connections API | 
| connection-pool-0.2.2 | Connection pool built on top of resource-pool and streaming-commons | 
| console-style-0.0.2.1 | Styled console text output using ANSI escape sequences | 
| constraint-0.1.4.0 | Reified constraints | 
| constraints-0.11.2 | Constraint manipulation | 
| constraint-tuples-0.1.2 | Partially applicable constraint tuples | 
| containers-0.6.2.1 | Assorted concrete container types | 
| contiguous-0.5 | Unified interface for primitive arrays | 
| contravariant-1.5.2 | Contravariant functors | 
| contravariant-extras-0.3.5.1 | Extras for the "contravariant" package | 
| control-bool-0.2.1 | Useful combinators for boolean expressions | 
| control-monad-free-0.6.2 | Free monads and monad transformers | 
| control-monad-omega-0.3.2 | A breadth-first list monad | 
| convertible-1.1.1.0 | Typeclasses and instances for converting between types | 
| cookie-0.4.5 | HTTP cookie parsing and rendering | 
| core-data-0.2.1.5 | Convenience wrappers around common data structures and encodings | 
| core-program-0.2.4.2 | Opinionated Haskell Interoperability | 
| core-text-0.2.3.3 | A rope type based on a finger tree over UTF-8 fragments | 
| countable-1.0 | Countable, Searchable, Finite, Empty classes | 
| cpio-conduit-0.7.0 | Conduit-based CPIO | 
| cpphs-1.20.8 | A liberalised re-implementation of cpp, the C pre-processor | 
| cprng-aes-0.6.1 | Crypto Pseudo Random Number Generator using AES in counter mode | 
| cpu-0.1.2 | Cpu information and properties helpers | 
| cpuinfo-0.1.0.1 | Haskell Library for Checking CPU Information | 
| crackNum-2.3 | Crack various integer, floating-point data formats | 
| crc32c-0.0.0 | Haskell bindings for crc32c | 
| credential-store-0.1.2 | Library to access secure credential storage providers | 
| criterion-1.5.6.1 | Robust, reliable performance measurement and analysis | 
| criterion-measurement-0.1.2.0 | Criterion measurement functionality and associated types | 
| cron-0.6.2 | Cron datatypes and Attoparsec parser | 
| crypto-api-0.13.3 | A generic interface for cryptographic operations | 
| crypto-cipher-types-0.0.9 | Generic cryptography cipher types | 
| crypto-enigma-0.1.1.6 | An Enigma machine simulator with display. | 
| cryptohash-0.11.9 | collection of crypto hashes, fast, pure and practical | 
| cryptohash-cryptoapi-0.1.4 | Crypto-api interfaces for cryptohash | 
| cryptohash-md5-0.11.100.1 | Fast, pure and practical MD5 implementation | 
| cryptohash-sha1-0.11.100.1 | Fast, pure and practical SHA-1 implementation | 
| cryptohash-sha256-0.11.101.0 | Fast, pure and practical SHA-256 implementation | 
| cryptohash-sha512-0.11.100.1 | Fast, pure and practical SHA-512 implementation | 
| cryptonite-0.26 | Cryptography Primitives sink | 
| cryptonite-conduit-0.2.2 | cryptonite conduit | 
| cryptonite-openssl-0.7 | Crypto stuff using OpenSSL cryptographic library | 
| crypto-numbers-0.2.7 | Cryptographic numbers: functions and algorithms | 
| crypto-pubkey-0.2.8 | Public Key cryptography | 
| crypto-pubkey-types-0.4.3 | Generic cryptography Public keys algorithm types | 
| crypto-random-0.0.9 | Simple cryptographic random related types | 
| crypto-random-api-0.2.0 | Simple random generators API for cryptography related code | 
| crypt-sha512-0 | Pure Haskell implelementation for GNU SHA512 crypt algorithm | 
| csp-1.4.0 | Discrete constraint satisfaction problem (CSP) solver | 
| css-text-0.1.3.0 | CSS parser and renderer | 
| csv-0.1.2 | CSV loader and dumper | 
| csv-conduit-0.7.1.0 | A flexible, fast, conduit-based CSV parser library for Haskell | 
| ctrie-0.2 | Non-blocking concurrent map | 
| cubicbezier-0.6.0.6 | Efficient manipulating of 2D cubic bezier curves | 
| cubicspline-0.1.2 | Natural cubic spline interpolation | 
| cuckoo-filter-0.2.0.2 | Pure and impure Cuckoo Filter | 
| cue-sheet-2.0.1 | Support for construction, rendering, and parsing of CUE sheets | 
| curl-1.3.8 | Haskell binding to libcurl | 
| currencies-0.2.0.0 | Currencies representation, pretty printing and conversion | 
| currency-0.2.0.0 | Types representing standard and non-standard currencies | 
| cutter-0.0 | Cut files according to a position list | 
| cyclotomic-1.0.1 | A subfield of the complex numbers for exact calculation | 
| czipwith-1.0.1.2 | CZipWith class and deriving via TH | 
| data-accessor-0.2.3 | Utilities for accessing and manipulating fields of records | 
| data-accessor-mtl-0.2.0.4 | Use Accessor to access state in mtl State monad class | 
| data-accessor-transformers-0.2.1.7 | Use Accessor to access state in transformers State monad | 
| data-binary-ieee754-0.4.4 | Parser/Serialiser for IEEE-754 floating-point values | 
| data-bword-0.1.0.1 | Extra operations on binary words of fixed length | 
| data-checked-0.3 | Type-indexed runtime-checked properties | 
| data-clist-0.1.2.3 | Simple functional ring type | 
| data-default-0.7.1.1 | A class for types with a default value | 
| data-default-class-0.1.2.0 | A class for types with a default value | 
| data-default-instances-containers-0.0.1 | Default instances for types in containers | 
| data-default-instances-dlist-0.0.1 | Default instances for types in dlist | 
| data-default-instances-old-locale-0.0.1 | Default instances for types in old-locale | 
| data-diverse-4.7.0.0 | Extensible records and polymorphic variants | 
| datadog-0.2.4.0 | Datadog client for Haskell. Supports both the HTTP API and StatsD | 
| data-dword-0.3.1.3 | Stick two binary words together to get a bigger one | 
| data-endian-0.1.1 | Endian-sensitive data | 
| data-fix-0.2.0 | Fixpoint data types | 
| data-has-0.3.0.0 | Simple extensible product | 
| data-interval-2.0.1 | Interval datatype, interval arithmetic and interval-based containers | 
| data-inttrie-0.1.4 | A simple lazy, infinite trie from integers | 
| data-lens-light-0.1.2.2 | Simple lenses, minimum dependencies | 
| data-memocombinators-0.5.1 | Combinators for building memo tables | 
| data-or-1.0.0.5 | A data type for non-exclusive disjunction | 
| data-ordlist-0.4.7.0 | Set and bag operations on ordered lists | 
| data-ref-0.0.2 | Unify STRef and IORef in plain Haskell 98 | 
| data-reify-0.6.1 | Reify a recursive data structure into an explicit graph | 
| data-serializer-0.3.4.1 | Common API for serialization libraries | 
| data-textual-0.3.0.3 | Human-friendly textual representations | 
| data-tree-print-0.1.0.2 | Print Data instances as a nested tree | 
| dataurl-0.1.0.0 | Handle data-urls | 
| DAV-1.3.4 | RFC 4918 WebDAV support | 
| dbus-1.2.11 | A client library for the D-Bus IPC system | 
| debian-build-0.10.2.0 | Debian package build sequence tools | 
| debug-trace-var-0.2.0 | You do not have to write variable names twice in Debug.Trace | 
| dec-0.0.3 | Decidable propositions | 
| Decimal-0.5.1 | Decimal numbers with variable precision | 
| declarative-0.5.2 | DIY Markov Chains | 
| deepseq-1.4.4.0 | Deep evaluation of data structures | 
| deepseq-generics-0.2.0.0 | GHC.Generics-based Control.DeepSeq.rnf implementation | 
| deferred-folds-0.9.10.1 | Abstractions over deferred folds | 
| dejafu-2.1.0.1 | A library for unit-testing concurrent programs | 
| dense-linear-algebra-0.1.0.0 | Simple and incomplete pure haskell implementation of linear algebra | 
| deque-0.4.3 | Double-ended queues | 
| deriveJsonNoPrefix-0.1.0.1 | Derive ToJSON/FromJSON instances in a more prefix-friendly manner | 
| deriving-compat-0.5.8 | Backports of GHC deriving extensions | 
| derulo-1.0.7 | Parse and render JSON simply | 
| detour-via-sci-1.0.0 | JSON and CSV encoding for rationals as decimal point numbers | 
| dhall-1.29.0 | A configuration language guaranteed to terminate | 
| dhall-bash-1.0.27 | Compile Dhall to Bash | 
| dhall-json-1.6.1 | Convert between Dhall and JSON or YAML | 
| dhall-yaml-1.0.1 | Convert between Dhall and YAML | 
| diagrams-1.4 | Embedded domain-specific language for declarative vector graphics | 
| diagrams-contrib-1.4.4 | Collection of user contributions to diagrams EDSL | 
| diagrams-core-1.4.2 | Core libraries for diagrams EDSL | 
| diagrams-lib-1.4.3 | Embedded domain-specific language for declarative graphics | 
| diagrams-postscript-1.5 | Postscript backend for diagrams drawing EDSL | 
| diagrams-rasterific-1.4.2 | Rasterific backend for diagrams | 
| diagrams-solve-0.1.1 | Pure Haskell solver routines used by diagrams | 
| diagrams-svg-1.4.3 | SVG backend for diagrams drawing EDSL | 
| di-core-1.0.4 | Typeful hierarchical structured logging without monad towers | 
| dictionary-sharing-0.1.0.0 | Sharing/memoization of class members | 
| Diff-0.4.0 | O(ND) diff algorithm in haskell | 
| digest-0.0.1.2 | Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now | 
| digits-0.3.1 | Converts integers to lists of digits and back | 
| dimensional-1.3 | Statically checked physical dimensions, using Type Families and Data Kinds | 
| di-monad-1.3.1 | mtl flavoured typeful hierarchical structured logging for di-core | 
| directory-1.3.4.0 | Platform-agnostic library for filesystem operations | 
| directory-tree-0.12.1 | A simple directory-like tree datatype, with useful IO functions | 
| discount-0.1.1 | Haskell bindings to the discount Markdown library | 
| disk-free-space-0.1.0.1 | Retrieve information about disk space usage | 
| distributed-closure-0.4.2.0 | Serializable closures for distributed programming | 
| distribution-nixpkgs-1.3.1 | Types and functions to manipulate the Nixpkgs distribution | 
| distribution-opensuse-1.1.1 | Types, functions, and tools to manipulate the openSUSE distribution | 
| distributive-0.6.1 | Distributive functors -- Dual to Traversable | 
| dl-fedora-0.7.2 | Fedora image download tool | 
| dlist-0.8.0.7 | Difference lists | 
| dlist-instances-0.1.1.1 | Difference lists instances | 
| dlist-nonempty-0.1.1 | Non-empty difference lists | 
| dns-4.0.1 | DNS library in Haskell | 
| dockerfile-0.2.0 | A Haskell DSL for generating Dockerfiles | 
| doclayout-0.2.0.1 | A prettyprinting library for laying out text documents | 
| doctemplates-0.8 | Pandoc-style document templates | 
| doctest-0.16.2 | Test interactive Haskell examples | 
| doctest-discover-0.2.0.0 | Easy way to run doctests via cabal | 
| doctest-driver-gen-0.3.0.2 | Generate driver file for doctest's cabal integration | 
| doldol-0.4.1.2 | Flag packer & handler for flaggable data | 
| do-list-1.0.1 | Do notation for free | 
| do-notation-0.1.0.2 | Generalize do-notation to work on monads and indexed monads simultaneously | 
| dotenv-0.8.0.4 | Loads environment variables from dotenv files | 
| dotgen-0.4.2 | A simple interface for building .dot graph files | 
| dotnet-timespan-0.0.1.0 | .NET TimeSpan | 
| double-conversion-2.0.2.0 | Fast conversion between double precision floating point and text | 
| drinkery-0.4 | Boozy streaming library | 
| dsp-0.2.5 | Haskell Digital Signal Processing | 
| dual-0.1.1.1 | Dual category | 
| dual-tree-0.2.2.1 | Rose trees with cached and accumulating monoidal annotations | 
| dublincore-xml-conduit-0.1.0.2 | XML streaming parser/renderer for the Dublin Core standard elements | 
| dunai-0.6.0 | Generalised reactive framework supporting classic, arrowized and monadic FRP | 
| duration-0.1.0.0 | A tiny compile-time time utility library inspired by zeit/ms | 
| dvorak-0.1.0.0 | Dvorak encoding for Haskell | 
| dynamic-state-0.3.1 | Optionally serializable dynamic state keyed by type | 
| dyre-0.8.12 | Dynamic reconfiguration in Haskell | 
| eap-0.9.0.2 | Extensible Authentication Protocol (EAP) | 
| Earley-0.13.0.1 | Parsing all context-free grammars using Earley's algorithm | 
| easy-file-0.2.2 | Cross-platform File handling | 
| Ebnf2ps-1.0.15 | Peter's Syntax Diagram Drawing Tool | 
| echo-0.1.3 | A cross-platform, cross-console way to handle echoing terminal input | 
| ecstasy-0.2.1.0 | A GHC.Generics based entity component system | 
| ed25519-0.0.5.0 | Ed25519 cryptographic signatures | 
| edit-distance-0.2.2.1 | Levenshtein and restricted Damerau-Levenshtein edit distances | 
| edit-distance-vector-1.0.0.4 | Calculate edit distances and edit scripts between vectors | 
| editor-open-0.6.0.0 | Open the user's $VISUAL or $EDITOR for text input | 
| egison-3.10.2 | Programming language with non-linear pattern-matching against non-free data | 
| either-5.0.1.1 | Combinators for working with sums | 
| either-both-0.1.1.1 | Either or both | 
| either-unwrap-1.1 | Functions for probing and unwrapping values inside of Either | 
| elerea-2.9.0 | A minimalistic FRP library | 
| elf-0.30 | An Elf parser | 
| eliminators-0.6 | Dependently typed elimination functions using singletons | 
| elm-bridge-0.5.2 | Derive Elm types and Json code from Haskell types, using aeson's options | 
| elm-core-sources-1.0.0 | Source files for the Elm runtime and standard libraries | 
| elm-export-0.6.0.1 | A library to generate Elm types from Haskell source | 
| emacs-module-0.1.1 | Utilities to write Emacs dynamic modules | 
| email-validate-2.3.2.12 | Email address validation | 
| emojis-0.1 | Conversion between emoji characters and their names | 
| enclosed-exceptions-1.0.3 | Catching all exceptions from within an enclosed computation | 
| ENIG-0.0.1.0 | Auto Korean conjugator/adjustor/adopter/converter | 
| entropy-0.4.1.5 | A platform independent entropy source | 
| enummapset-0.6.0.2 | IntMap and IntSet with Enum keys/elements | 
| enumset-0.0.5 | Sets of enumeration values represented by machine words | 
| enum-subset-generate-0.1.0.0 | Generate an ADT being a subset of another ADT, and the corresponding mappings | 
| envelope-0.2.2.0 | Defines generic 'Envelope' type to wrap reponses from a JSON API | 
| envy-2.1.0.0 | An environmentally friendly way to deal with environment variables | 
| epub-metadata-4.5 | Library for parsing epub document metadata | 
| eq-4.2 | Leibnizian equality | 
| equal-files-0.0.5.3 | Shell command for finding equal files | 
| erf-2.0.0.0 | The error function, erf, and related functions | 
| errors-2.3.0 | Simplified error-handling | 
| errors-ext-0.4.2 | `bracket`-like functions for `ExceptT` over `IO` monad | 
| ersatz-0.4.8 | A monad for expressing SAT or QSAT problems using observable sharing | 
| esqueleto-3.3.1.1 | Type-safe EDSL for SQL queries on persistent backends | 
| etc-0.4.1.0 | Declarative configuration spec for Haskell projects | 
| eventful-core-0.2.0 | Core module for eventful | 
| eventful-test-helpers-0.2.0 | Common module used for eventful tests | 
| event-list-0.1.2 | Event lists with relative or absolute time stamps | 
| every-0.0.1 | Run a process every so often | 
| exact-combinatorics-0.2.0.9 | Efficient exact computation of combinatoric functions | 
| exact-pi-0.5.0.1 | Exact rational multiples of pi (and integer powers of pi) | 
| exception-hierarchy-0.1.0.3 | Exception type hierarchy with TemplateHaskell | 
| exception-mtl-0.4.0.1 | Exception monad transformer instances for mtl classes | 
| exceptions-0.10.4 | Extensible optionally-pure exceptions | 
| exception-transformers-0.4.0.8 | Type classes and monads for unchecked extensible exceptions | 
| executable-path-0.0.3.1 | Finding out the full path of the executable | 
| exit-codes-1.0.0 | Exit codes as defined by BSD | 
| exomizer-1.0.0 | Compression and decompression in the exomizer format | 
| expiring-cache-map-0.0.6.1 | General purpose simple caching | 
| explicit-exception-0.1.10 | Exceptions which are explicit in the type signature | 
| exp-pairs-0.2.0.0 | Linear programming over exponent pairs | 
| express-0.1.2 | Dynamically-typed expressions involving applications and variables | 
| extended-reals-0.2.3.0 | Extension of real numbers with positive/negative infinities | 
| extensible-effects-5.0.0.1 | An Alternative to Monad Transformers | 
| extensible-exceptions-0.1.1.4 | Extensible exceptions | 
| extra-1.6.18 | Extra functions I use | 
| extractable-singleton-0.0.1 | A functor, where the "stored" value is isomorphic to Identity | 
| extrapolate-0.4.1 | generalize counter-examples of test properties | 
| fail-4.9.0.0 | Forward-compatible MonadFail class | 
| failable-1.2.4.0 | A 'Failable' error monad class to unify failure across monads that can fail | 
| fakedata-0.5.0 | Library for producing fake data | 
| farmhash-0.1.0.5 | Fast hash functions | 
| fast-digits-0.3.0.0 | Integer-to-digits conversion | 
| fast-logger-3.0.0 | A fast logging system | 
| fast-math-1.0.2 | Non IEEE-754 compliant compile-time floating-point optimisations | 
| fb-2.0.0 | Bindings to Facebook's API | 
| feature-flags-0.1.0.1 | A simple library for dynamically enabling and disabling functionality | 
| fedora-dists-1.1.2 | Library for Fedora distribution versions | 
| fedora-haskell-tools-0.9 | Building and maintenance tools for Fedora Haskell | 
| feed-1.3.0.0 | Interfacing with RSS (v 0.9x, 2.x, 1.0) + Atom feeds | 
| FenwickTree-0.1.2.1 | Data structure for fast query and update of cumulative sums | 
| fft-0.1.8.6 | Bindings to the FFTW library | 
| fgl-5.7.0.2 | Martin Erwig's Functional Graph Library | 
| filecache-0.4.1 | A cache system associating values to files | 
| file-embed-0.0.11.1 | Use Template Haskell to embed file contents directly | 
| file-embed-lzma-0 | Use Template Haskell to embed (LZMA compressed) data | 
| filelock-0.1.1.4 | Portable interface to file locking (flock / LockFileEx) | 
| filemanip-0.3.6.3 | Expressive file and directory manipulation for Haskell | 
| filepath-1.4.2.1 | Library for manipulating FilePaths in a cross platform way | 
| filepattern-0.1.1 | File path glob-like matching | 
| fileplow-0.1.0.0 | Library to process and search large files or a collection of files | 
| filtrable-0.1.3.0 | Class of filtrable containers | 
| fin-0.1.1 | Nat and Fin: peano naturals and finite numbers | 
| FindBin-0.0.5 | Locate directory of original program | 
| fingertree-0.1.4.2 | Generic finger-tree structure, with example instances | 
| finite-typelits-0.1.4.2 | A type inhabited by finitely many values, indexed by type-level naturals | 
| first-class-families-0.7.0.0 | First class type families | 
| first-class-patterns-0.3.2.5 | First class patterns and pattern matching, using type families | 
| fitspec-0.4.7 | refining property sets for testing Haskell programs | 
| fixed-0.3 | Signed 15.16 precision fixed point arithmetic | 
| fixed-length-0.2.1 | Lists with statically known length based on non-empty package | 
| fixed-vector-1.2.0.0 | Generic vectors with statically known size | 
| fixed-vector-hetero-0.5.0.0 | Generic heterogeneous vectors | 
| flac-0.2.0 | Complete high-level binding to libFLAC | 
| flac-picture-0.1.2 | Support for writing picture to FLAC metadata blocks with JuicyPixels | 
| flags-applicative-0.1.0.2 | Applicative flag parsing | 
| flat-mcmc-1.5.1 | Painless general-purpose sampling | 
| FloatingHex-0.4 | Read and write hexadecimal floating point numbers | 
| floatshow-0.2.4 | Alternative faster String representations for Double and Float, String representations for more general numeric types | 
| flow-1.0.19 | Write more understandable Haskell | 
| flush-queue-1.0.0 | Concurrent bouded blocking queues optimized for flushing. Both IO and STM implementations | 
| fmlist-0.9.3 | FoldMap lists | 
| fn-0.3.0.2 | A functional web framework | 
| focus-1.0.1.3 | A general abstraction for manipulating elements of container data structures | 
| focuslist-0.1.0.2 | Lists with a focused element | 
| foldable1-0.1.0.0 | Foldable types with at least 1 element | 
| fold-debounce-0.2.0.9 | Fold multiple events that happen in a given period of time | 
| fold-debounce-conduit-0.2.0.4 | Regulate input traffic from conduit Source with Control.FoldDebounce | 
| foldl-1.4.6 | Composable, streaming, and efficient left folds | 
| folds-0.7.5 | Beautiful Folding | 
| follow-file-0.0.3 | Be notified when a file gets appended, solely with what was added. Warning - only works on linux and for files that are strictly appended, like log files | 
| FontyFruity-0.5.3.5 | A true type file format loader | 
| force-layout-0.4.0.6 | Simple force-directed layout | 
| foreign-store-0.2 | Store a stable pointer in a foreign context to be retrieved later | 
| ForestStructures-0.0.1.0 | Tree- and forest structures | 
| forkable-monad-0.2.0.3 | An implementation of forkIO for monad stacks | 
| forma-1.1.3 | Parse and validate forms in JSON format | 
| format-numbers-0.1.0.0 | Various number formatting functions | 
| formatting-6.3.7 | Combinator-based type-safe formatting (like printf() or FORMAT) | 
| foundation-0.0.25 | Alternative prelude with batteries and no dependencies | 
| free-5.1.3 | Monads for free | 
| free-categories-0.1.0.0 | free categories | 
| freenect-1.2.1 | Interface to the Kinect device | 
| freer-simple-1.2.1.1 | Implementation of a friendly effect system for Haskell | 
| freetype2-0.1.2 | Haskell binding for FreeType 2 library | 
| free-vl-0.1.4 | van Laarhoven encoded Free Monad with Extensible Effects | 
| friendly-time-0.4.1 | Print time information in friendly ways | 
| from-sum-0.2.3.0 | Combinators for working with Maybe and Either | 
| frontmatter-0.1.0.2 | Parses frontmatter as used in Jekyll markdown files | 
| fsnotify-0.3.0.1 | Cross platform library for file change notification | 
| fsnotify-conduit-0.1.1.1 | Get filesystem notifications as a stream of events | 
| funcmp-1.9 | Functional MetaPost is a Haskell frontend to the MetaPost language | 
| function-builder-0.3.0.1 | Create poly variadic functions for monoidal results | 
| functor-classes-compat-1 | Data.Functor.Classes instances for core packages | 
| fused-effects-1.0.0.1 | A fast, flexible, fused effect system | 
| fuzzcheck-0.1.1 | A simple checker for stress testing monadic code | 
| fuzzy-dates-0.1.1.1 | Libary for parsing dates in strings in varied formats | 
| fuzzyset-0.2.0 | Fuzzy set for approximate string matching | 
| gauge-0.2.5 | small framework for performance measurement and analysis | 
| gd-3000.7.3 | A Haskell binding to a subset of the GD graphics library | 
| gdp-0.0.3.0 | Reason about invariants and preconditions with ghosts of departed proofs | 
| general-games-1.1.1 | Library supporting simulation of a number of games | 
| generic-arbitrary-0.1.0 | Generic implementation for QuickCheck's Arbitrary | 
| generic-constraints-1.1.1.1 | Constraints via Generic | 
| generic-data-0.7.0.0 | Deriving instances with GHC.Generics and related utilities | 
| generic-deriving-1.13.1 | Generic programming library for generalised deriving | 
| generic-lens-1.2.0.1 | Generically derive traversals, lenses and prisms | 
| generic-monoid-0.1.0.0 | Derive monoid instances for product types | 
| GenericPretty-1.2.2 | A generic, derivable, haskell pretty printer | 
| generic-random-1.3.0.0 | Generic random generators | 
| generics-sop-0.5.0.0 | Generic Programming using True Sums of Products | 
| generics-sop-lens-0.2 | Lenses for types in generics-sop | 
| genvalidity-0.9.1.0 | Testing utilities for the validity library | 
| genvalidity-aeson-0.3.0.0 | GenValidity support for aeson | 
| genvalidity-bytestring-0.5.0.0 | GenValidity support for ByteString | 
| genvalidity-containers-0.8.0.1 | GenValidity support for containers | 
| genvalidity-hspec-0.7.0.3 | Standard spec's for GenValidity instances | 
| genvalidity-hspec-aeson-0.3.1.0 | Standard spec's for aeson-related instances | 
| genvalidity-hspec-binary-0.2.0.3 | Standard spec's for binary-related Instances | 
| genvalidity-hspec-cereal-0.2.0.3 | Standard spec's for cereal-related instances | 
| genvalidity-hspec-hashable-0.2.0.4 | Standard spec's for Hashable instances | 
| genvalidity-hspec-optics-0.1.1.1 | Standard spec's for optics | 
| genvalidity-path-0.3.0.3 | GenValidity support for Path | 
| genvalidity-property-0.5.0.1 | Standard properties for functions on `Validity` types | 
| genvalidity-scientific-0.2.1.0 | GenValidity support for Scientific | 
| genvalidity-text-0.6.0.0 | GenValidity support for Text | 
| genvalidity-time-0.2.1.1 | GenValidity support for time | 
| genvalidity-unordered-containers-0.3.0.0 | GenValidity support for unordered-containers | 
| genvalidity-uuid-0.1.0.2 | GenValidity support for UUID | 
| genvalidity-vector-0.3.0.0 | GenValidity support for vector | 
| geojson-4.0.1 | A thin GeoJSON Layer above the aeson library | 
| getopt-generics-0.13.0.4 | Create command line interfaces with ease | 
| ghc-8.8.2 | The GHC API | 
| ghc-boot-8.8.2 | Shared functionality between GHC and its boot libraries | 
| ghc-boot-th-8.8.2 | Shared functionality between GHC and the @template-haskell@ library | 
| ghc-compact-0.1.0.0 | In memory storage of deeply evaluated data structure | 
| ghc-core-0.5.6 | Display GHC's core and assembly output in a pager | 
| ghc-exactprint-0.6.2 | ExactPrint for GHC | 
| ghc-heap-8.8.2 | Functions for walking GHC's heap | 
| ghci-8.8.2 | The library supporting GHC's interactive interpreter | 
| ghcid-0.8.1 | GHCi based bare bones IDE | 
| ghci-hexcalc-0.1.1.0 | GHCi as a Hex Calculator interactive | 
| ghcjs-codemirror-0.0.0.2 | Installs CodeMirror JavaScript files | 
| ghc-lib-8.8.2.20200205 | The GHC API, decoupled from GHC versions | 
| ghc-lib-parser-8.8.2.20200205 | The GHC API, decoupled from GHC versions | 
| ghc-lib-parser-ex-8.8.4.0 | Algorithms on GHC parse trees | 
| ghc-paths-0.1.0.12 | Knowledge of GHC's installation directories | 
| ghc-prim-0.5.3 | GHC primitives | 
| ghc-prof-1.4.1.6 | Library for parsing GHC time and allocation profiling reports | 
| ghc-source-gen-0.3.0.0 | Constructs Haskell syntax trees for the GHC API | 
| ghc-syntax-highlighter-0.0.5.0 | Syntax highlighter for Haskell using lexer of GHC itself | 
| ghc-tcplugins-extra-0.4 | Utilities for writing GHC type-checker plugins | 
| ghc-typelits-extra-0.3.3 | Additional type-level operations on GHC.TypeLits.Nat | 
| ghc-typelits-knownnat-0.7.2 | Derive KnownNat constraints from other KnownNat constraints | 
| ghc-typelits-natnormalise-0.7.1 | GHC typechecker plugin for types of kind GHC.TypeLits.Nat | 
| ghost-buster-0.1.1.0 | Existential type utilites | 
| gingersnap-0.3.1.0 | Consistent and safe JSON APIs with snap-core and (by default) postgresql-simple | 
| giphy-api-0.7.0.0 | Giphy HTTP API wrapper and CLI search tool | 
| githash-0.1.3.3 | Compile git revision info into Haskell projects | 
| github-rest-1.0.1 | Query the GitHub REST API programmatically | 
| github-types-0.2.1 | Type definitions for objects used by the GitHub v3 API | 
| gitlab-haskell-0.1.5 | A Haskell library for the GitLab web API | 
| gitrev-1.3.1 | Compile git revision info into Haskell projects | 
| gl-0.9 | Complete OpenGL raw bindings | 
| glabrous-2.0.1 | A template DSL library | 
| GLFW-b-3.3.0.0 | Bindings to GLFW OpenGL library | 
| Glob-0.10.0 | Globbing library | 
| GLURaw-2.0.0.4 | A raw binding for the OpenGL graphics system | 
| GLUT-2.7.0.15 | A binding for the OpenGL Utility Toolkit | 
| gluturtle-0.0.58.1 | turtle like LOGO with glut | 
| gnuplot-0.5.6.1 | 2D and 3D plots using gnuplot | 
| google-isbn-1.0.3 | |
| gothic-0.1.3 | A Haskell Vault KVv2 secret engine client | 
| gpolyline-0.1.0.1 | Pure module for encoding/decoding Google Polyline | 
| graph-core-0.3.0.0 | Fast, memory efficient and persistent graph implementation | 
| graphite-0.10.0.1 | Graphs and networks library | 
| graphs-0.7.1 | A simple monadic graph library | 
| graphviz-2999.20.0.4 | Bindings to Graphviz for graph visualisation | 
| graph-wrapper-0.2.6.0 | A wrapper around the standard Data.Graph with a less awkward interface | 
| gravatar-0.8.0 | Generate Gravatar image URLs | 
| greskell-1.0.0.1 | Haskell binding for Gremlin graph query language | 
| greskell-core-0.1.3.1 | Haskell binding for Gremlin graph query language - core data types and tools | 
| greskell-websocket-0.1.2.1 | Haskell client for Gremlin Server using WebSocket serializer | 
| groom-0.1.2.1 | Pretty printing for well-behaved Show instances | 
| group-by-date-0.1.0.3 | Shell command for grouping files by dates into folders | 
| groups-0.4.1.0 | Haskell 98 groups | 
| guarded-allocation-0.0.1 | Memory allocation with added stress tests and integrity checks | 
| hackage-db-2.1.0 | Access cabal-install's Hackage database via Data.Map | 
| haddock-library-1.8.0 | Library exposing some functionality of Haddock | 
| half-0.3 | Half-precision floating-point | 
| hamtsolo-1.0.3 | Intel AMT serial-over-lan (SOL) client | 
| HandsomeSoup-0.4.2 | Work with HTML more easily in HXT | 
| happy-1.19.12 | Happy is a parser generator for Haskell | 
| hashable-1.3.0.0 | A class for types that can be converted to a hash value | 
| hashable-time-0.2.0.2 | Hashable instances for Data.Time | 
| hashids-1.0.2.4 | Hashids generates short, unique, non-sequential ids from numbers | 
| hashmap-1.3.3 | Persistent containers Map and Set based on hashing | 
| hashtables-1.2.3.4 | Mutable hash tables in the ST monad | 
| haskeline-0.7.5.0 | A command-line interface for user input, written in Haskell | 
| haskell-gi-0.23.0 | Generate Haskell bindings for GObject Introspection capable libraries | 
| haskell-gi-base-0.23.0 | Foundation for libraries generated by haskell-gi | 
| haskell-gi-overloading-1.0 | Overloading support for haskell-gi | 
| haskell-import-graph-1.0.4 | create haskell import graph for graphviz | 
| haskell-lexer-1.1 | A fully compliant Haskell 98 lexer | 
| haskell-lsp-0.20.0.1 | Haskell library for the Microsoft Language Server Protocol | 
| haskell-lsp-types-0.20.0.0 | Haskell library for the Microsoft Language Server Protocol, data types | 
| haskell-names-0.9.7 | Name resolution library for Haskell | 
| haskell-src-1.0.3.1 | Support for manipulating Haskell source code | 
| haskell-src-exts-1.22.0 | Manipulating Haskell source: abstract syntax, lexer, parser, and pretty-printer | 
| haskell-src-exts-util-0.2.5 | Helper functions for working with haskell-src-exts trees | 
| haskell-src-meta-0.8.5 | Parse source to template-haskell abstract syntax | 
| haskey-btree-0.3.0.1 | B+-tree implementation in Haskell | 
| haskoin-core-0.10.0 | Bitcoin & Bitcoin Cash library for Haskell | 
| haskoin-node-0.9.15 | Haskoin Node P2P library for Bitcoin and Bitcoin Cash | 
| hasql-1.4.1 | An efficient PostgreSQL driver with a flexible mapping API | 
| hasql-optparse-applicative-0.3.0.5 | "optparse-applicative" parsers for "hasql" | 
| hasql-pool-0.5.1 | A pool of connections for Hasql | 
| hasql-transaction-1.0.0.1 | Composable abstraction over retryable transactions for Hasql | 
| hasty-hamiltonian-1.3.2 | Speedy traversal through parameter space | 
| HaXml-1.25.5 | Utilities for manipulating XML documents | 
| haxr-3000.11.4 | XML-RPC client and server library | 
| hdaemonize-0.5.6 | Library to handle the details of writing daemons for UNIX | 
| heap-1.0.4 | Heaps in Haskell | 
| heaps-0.3.6.1 | Asymptotically optimal Brodal/Okasaki heaps | 
| heart-core-0.1.1 | An opinionated library prelude in the UnliftIO style | 
| hebrew-time-0.1.2 | Hebrew dates and prayer times | 
| hedgehog-1.0.2 | Release with confidence | 
| hedgehog-corpus-0.2.0 | hedgehog-corpus | 
| hedgehog-fn-1.0 | Function generation for `hedgehog` | 
| hedgehog-quickcheck-0.1.1 | Use QuickCheck generators in Hedgehog and vice versa | 
| here-1.2.13 | Here docs & interpolated strings via quasiquotation | 
| heredoc-0.2.0.0 | multi-line string / here document using QuasiQuotes | 
| heterocephalus-1.0.5.3 | A type-safe template engine for working with popular front end development tools | 
| hexml-0.3.4 | XML subset DOM parser | 
| hexml-lens-0.2.1 | Lenses for the hexml package | 
| hexpat-0.20.13 | XML parser/formatter based on expat | 
| hexstring-0.11.1 | Fast and safe representation of a hex string | 
| hformat-0.3.3.1 | Simple Haskell formatting | 
| hfsevents-0.1.6 | File/folder watching for OS X | 
| hidapi-0.1.5 | Haskell bindings to HIDAPI | 
| hie-bios-0.4.0 | Set up a GHC API session | 
| hi-file-parser-0.1.0.0 | Parser for GHC's hi files | 
| higher-leveldb-0.5.0.2 | A rich monadic API for working with leveldb databases | 
| highlighting-kate-0.6.4 | Syntax highlighting | 
| hinfo-0.0.3.0 | Command Line App With Info on your Haskell App | 
| hinotify-0.4 | Haskell binding to inotify | 
| hint-0.9.0.2 | Runtime Haskell interpreter (GHC API wrapper) | 
| hjsmin-0.2.0.4 | Haskell implementation of a javascript minifier | 
| hkd-default-1.1.0.0 | Apply default value for optional field of HKD | 
| hkgr-0.2.4 | Simple Hackage release workflow for package maintainers | 
| hledger-1.16.2 | Command-line interface for the hledger accounting tool | 
| hledger-iadd-1.3.10 | A terminal UI as drop-in replacement for hledger add | 
| hledger-interest-1.5.3 | computes interest for a given account | 
| hledger-lib-1.16.2 | Core data types, parsers and functionality for the hledger accounting tools | 
| hledger-ui-1.16.2 | Terminal user interface for the hledger accounting tool | 
| hledger-web-1.16.2 | Web interface for the hledger accounting tool | 
| hlibcpuid-0.2.0 | Bindings to https://github.com/anrieff/libcpuid | 
| hlibgit2-0.18.0.16 | Low-level bindings to libgit2 | 
| hlint-2.2.10 | Source code suggestions | 
| hmatrix-0.20.0.0 | Numeric Linear Algebra | 
| hmatrix-gsl-0.19.0.1 | Numerical computation | 
| hmatrix-gsl-stats-0.4.1.8 | GSL Statistics interface | 
| hmatrix-morpheus-0.1.1.2 | Low-level machine learning auxiliary functions | 
| hmatrix-vector-sized-0.1.2.0 | Conversions between hmatrix and vector-sized types | 
| hmpfr-0.4.4 | Haskell binding to the MPFR library | 
| hnock-0.4.0 | A Nock interpreter | 
| hoauth2-1.11.0 | Haskell OAuth2 authentication client | 
| hopenssl-2.2.4 | FFI Bindings to OpenSSL's EVP Digest Interface | 
| hopfli-0.2.2.1 | Bidings to Google's Zopfli compression library | 
| hosc-0.17 | Haskell Open Sound Control | 
| hostname-1.0 | A very simple package providing a cross-platform means of determining the hostname | 
| hostname-validate-1.0.0 | Validate hostnames e.g. localhost or foo.co.uk | 
| hourglass-0.2.12 | simple performant time related library | 
| hourglass-orphans-0.1.0.0 | Orphan Aeson instances to hourglass | 
| hp2pretty-0.9 | generate pretty graphs from heap profiles | 
| hpc-0.6.0.3 | Code Coverage Library for Haskell | 
| hreader-1.1.0 | Generalization of MonadReader and ReaderT using hset | 
| hreader-lens-0.1.3.0 | Optics for hreader package | 
| hruby-0.3.8 | Embed a Ruby intepreter in your Haskell program ! | 
| hs-bibutils-6.8.0.0 | Haskell bindings to bibutils, the bibliography conversion utilities | 
| hsc2hs-0.68.6 | A preprocessor that helps with writing Haskell bindings to C code | 
| hscolour-1.24.4 | Colourise Haskell code | 
| hsdns-1.8 | Asynchronous DNS Resolver | 
| hsebaysdk-0.4.0.0 | Haskell eBay SDK | 
| hsemail-2.2.0 | Parsec parsers for the Internet Message format (e-mail) | 
| hset-2.2.0 | Primitive list with elements of unique types | 
| hs-functors-0.1.6.0 | Functors from products of Haskell and its dual to Haskell | 
| hs-GeoIP-0.3 | Haskell bindings to the MaxMind GeoIPCity database via the C library | 
| hsini-0.5.1.2 | ini configuration files | 
| hsinstall-2.6 | Install Haskell software | 
| HSlippyMap-3.0.1 | OpenStreetMap Slippy Map | 
| hslogger-1.3.1.0 | Versatile logging framework | 
| hslua-1.0.3.2 | Bindings to Lua, an embeddable scripting language | 
| hslua-aeson-1.0.0 | Allow aeson data types to be used with lua | 
| hslua-module-system-0.2.1 | Lua module wrapper around Haskell's System module | 
| hslua-module-text-0.2.1 | Lua module for text | 
| HsOpenSSL-0.11.4.17 | Partial OpenSSL binding for Haskell | 
| hsp-0.10.0 | Haskell Server Pages is a library for writing dynamic server-side web pages | 
| hspec-2.7.1 | A Testing Framework for Haskell | 
| hspec-attoparsec-0.1.0.2 | Utility functions for testing your attoparsec parsers with hspec | 
| hspec-checkers-0.1.0.2 | Allows to use checkers properties from hspec | 
| hspec-contrib-0.5.1 | Contributed functionality for Hspec | 
| hspec-core-2.7.1 | A Testing Framework for Haskell | 
| hspec-discover-2.7.1 | Automatically discover and run Hspec tests | 
| hspec-expectations-0.8.2 | Catchy combinators for HUnit | 
| hspec-expectations-lifted-0.10.0 | A version of hspec-expectations generalized to MonadIO | 
| hspec-expectations-pretty-diff-0.7.2.5 | Catchy combinators for HUnit | 
| hspec-golden-0.1.0.1 | Golden tests for hspec | 
| hspec-golden-aeson-0.7.0.0 | Use tests to monitor changes in Aeson serialization | 
| hspec-leancheck-0.0.3 | LeanCheck support for the Hspec test framework | 
| hspec-megaparsec-2.1.0 | Utility functions for testing Megaparsec parsers with Hspec | 
| hspec-meta-2.6.0 | A version of Hspec which is used to test Hspec itself | 
| hspec-need-env-0.1.0.4 | Read environment variables for hspec tests | 
| hspec-parsec-0 | Hspec expectations for testing Parsec parsers | 
| hspec-smallcheck-0.5.2 | SmallCheck support for the Hspec testing framework | 
| hspec-wai-0.10.1 | Experimental Hspec support for testing WAI applications | 
| hs-php-session-0.0.9.3 | PHP session and values serialization | 
| hsshellscript-3.4.5 | Haskell for Unix shell scripting tasks | 
| HStringTemplate-0.8.7 | StringTemplate implementation in Haskell | 
| HSvm-0.1.1.3.22 | Haskell Bindings for libsvm | 
| HsYAML-0.2.1.0 | Pure Haskell YAML 1.2 processor | 
| HsYAML-aeson-0.2.0.0 | JSON to YAML Adapter | 
| hsyslog-5.0.2 | FFI interface to syslog(3) from POSIX.1-2001 | 
| htaglib-1.2.0 | Bindings to TagLib, audio meta-data library | 
| HTF-0.14.0.3 | The Haskell Test Framework | 
| html-1.0.1.2 | HTML combinator library | 
| html-conduit-1.3.2.1 | Parse HTML documents using xml-conduit datatypes | 
| html-entities-1.1.4.3 | A codec library for HTML-escaped text and HTML-entities | 
| html-entity-map-0.1.0.0 | Map from HTML5 entity names to the corresponding Unicode text | 
| htoml-1.0.0.3 | Parser for TOML files | 
| HTTP-4000.3.14 | A library for client-side HTTP | 
| http2-2.0.3 | HTTP/2 library | 
| http-api-data-0.4.1.1 | Converting to/from HTTP API data like URL pieces, headers and query parameters | 
| http-client-0.6.4 | An HTTP client engine | 
| http-client-openssl-0.3.0.0 | http-client backend using the OpenSSL library | 
| http-client-overrides-0.1.1.0 | HTTP client overrides | 
| http-client-tls-0.3.5.3 | http-client backend using the connection package and tls library | 
| http-common-0.8.2.0 | Common types for HTTP clients and servers | 
| http-conduit-2.3.7.3 | HTTP client package with conduit interface and HTTPS support | 
| http-date-0.0.8 | HTTP Date parser/formatter | 
| http-directory-0.1.7 | http directory listing library | 
| http-download-0.1.0.1 | Verified downloads with retries | 
| httpd-shed-0.4.1.1 | A simple web-server with an interact style API | 
| http-link-header-1.0.3.1 | A parser and writer for the HTTP Link header as specified in RFC 5988 "Web Linking" | 
| http-media-0.8.0.0 | Processing HTTP Content-Type and Accept headers | 
| http-reverse-proxy-0.6.0 | Reverse proxy HTTP requests, either over raw sockets or with WAI | 
| http-streams-0.8.7.1 | An HTTP client using io-streams | 
| http-types-0.12.3 | Generic HTTP types for Haskell (for both client and server code) | 
| human-readable-duration-0.2.1.4 | Provide duration helper | 
| HUnit-1.6.0.0 | A unit testing framework for Haskell | 
| HUnit-approx-1.1.1.1 | Approximate equality for floating point numbers with HUnit | 
| hunit-dejafu-2.0.0.1 | Deja Fu support for the HUnit test framework | 
| hvect-0.4.0.0 | Simple strict heterogeneous lists | 
| hvega-0.4.1.2 | Create Vega-Lite visualizations (version 3) in Haskell | 
| hw-balancedparens-0.3.0.4 | Balanced parentheses | 
| hw-bits-0.7.1.0 | Bit manipulation | 
| hw-conduit-0.2.0.6 | Conduits for tokenizing streams | 
| hw-conduit-merges-0.2.0.0 | Additional merges and joins for Conduit | 
| hw-diagnostics-0.0.0.7 | Diagnostics library | 
| hw-dsv-0.4.0 | Unbelievably fast streaming DSV file parser | 
| hweblib-0.6.3 | Haskell Web Library | 
| hw-eliasfano-0.1.1.1 | Elias-Fano | 
| hw-excess-0.2.2.3 | Excess | 
| hw-fingertree-0.1.1.1 | Generic finger-tree structure, with example instances | 
| hw-fingertree-strict-0.1.1.3 | Generic strict finger-tree structure | 
| hw-hedgehog-0.1.0.5 | Extra hedgehog functionality | 
| hw-hspec-hedgehog-0.1.0.9 | Interoperability between hspec and hedgehog | 
| hw-int-0.0.0.4 | Additional facilities for Integers | 
| hw-ip-2.4.1.0 | Library for manipulating IP addresses and CIDR blocks | 
| hw-json-1.3.1.1 | Memory efficient JSON parser | 
| hw-json-simd-0.1.0.4 | SIMD-based JSON semi-indexer | 
| hw-json-simple-cursor-0.1.0.2 | Memory efficient JSON parser | 
| hw-json-standard-cursor-0.2.1.2 | Memory efficient JSON parser | 
| hw-mquery-0.2.0.2 | Monadic query DSL | 
| hw-packed-vector-0.2.0.1 | Packed Vector | 
| hw-parser-0.1.0.2 | Simple parser support | 
| hw-prim-0.6.2.39 | Primitive functions and data types | 
| hw-rankselect-0.13.3.2 | Rank-select | 
| hw-rankselect-base-0.3.3.0 | Rank-select base | 
| hw-simd-0.1.1.5 | SIMD library | 
| hw-streams-0.0.0.12 | Primitive functions and data types | 
| hw-string-parse-0.0.0.4 | String parser | 
| hw-succinct-0.1.0.1 | Succint datastructures | 
| hw-xml-0.5.0.0 | XML parser based on succinct data structures | 
| hxt-9.3.1.18 | A collection of tools for processing XML with Haskell | 
| hxt-charproperties-9.4.0.0 | Character properties and classes for XML and Unicode | 
| hxt-css-0.1.0.3 | CSS selectors for HXT | 
| hxt-curl-9.1.1.1 | LibCurl interface for HXT | 
| hxt-expat-9.1.1 | Expat parser for HXT | 
| hxt-http-9.1.5.2 | Interface to native Haskell HTTP package HTTP | 
| hxt-regex-xmlschema-9.2.0.3 | A regular expression library for W3C XML Schema regular expressions | 
| hxt-tagsoup-9.1.4 | TagSoup parser for HXT | 
| hxt-unicode-9.0.2.4 | Unicode en-/decoding functions for utf8, iso-latin-* and other encodings | 
| hybrid-vectors-0.2.2 | Hybrid vectors e.g. Mixed Boxed/Unboxed vectors | 
| hyperloglog-0.4.3 | An approximate streaming (constant space) unique object counter | 
| hyphenation-0.8 | Configurable Knuth-Liang hyphenation | 
| iconv-0.4.1.3 | String encoding conversion | 
| identicon-0.2.2 | Flexible generation of identicons | 
| ieee754-0.8.0 | Utilities for dealing with IEEE floating point numbers | 
| if-0.1.0.0 | (?) and (?>) conditional operator | 
| iff-0.0.6 | Constructing and dissecting IFF files | 
| ihs-0.1.0.3 | Interpolated Haskell | 
| ilist-0.4.0.0 | Optimised list functions for doing index-related things | 
| imagesize-conduit-1.1 | Determine the size of some common image formats | 
| Imlib-0.1.2 | |
| immortal-0.3 | Spawn threads that never die (unless told to do so) | 
| include-file-0.1.0.4 | Inclusion of files in executables at compile-time | 
| incremental-parser-0.4 | Generic parser library capable of providing partial results from partial input | 
| indents-0.5.0.1 | indentation sensitive parser-combinators for parsec | 
| indexed-0.1.3 | Haskell98 indexed functors, monads, comonads | 
| indexed-list-literals-0.2.1.2 | Type safe indexed list literals | 
| indexed-profunctors-0.1 | Utilities for indexed profunctors | 
| infer-license-0.2.0 | Infer software license from a given license file | 
| inflections-0.4.0.5 | Inflections library for Haskell | 
| influxdb-1.7.1.1 | Haskell client library for InfluxDB | 
| ini-0.4.1 | Quick and easy configuration files in the INI format | 
| inj-1.0 | A class for injective (one-to-one) functions | 
| inline-c-0.9.0.0 | Write Haskell source files including C code inline. No FFI required | 
| insert-ordered-containers-0.2.3 | Associative containers retaining insertion order for traversals | 
| inspection-testing-0.4.2.2 | GHC plugin to do inspection testing | 
| instance-control-0.1.2.0 | Controls how the compiler searches for instances using type families | 
| int-cast-0.2.0.0 | Checked conversions between integral types | 
| integer-gmp-1.0.2.0 | Integer library based on GMP | 
| integer-logarithms-1.0.3 | Integer logarithms | 
| integration-0.2.1 | Fast robust numeric integration via tanh-sinh quadrature | 
| intern-0.9.2 | Efficient hash-consing for arbitrary data types | 
| interpolate-0.2.0 | String interpolation done right | 
| interpolation-0.1.1.1 | piecewise linear and cubic Hermite interpolation | 
| interpolator-1.0.0 | Runtime interpolation of environment variables in records using profunctors | 
| IntervalMap-0.6.1.1 | Containers for intervals, with efficient search | 
| intervals-0.9.1 | Interval Arithmetic | 
| intro-0.6.0.1 | Safe and minimal prelude | 
| intset-imperative-0.1.0.0 | An imperative integer set written in Haskell | 
| invariant-0.5.3 | Haskell98 invariant functors | 
| invertible-0.2.0.5 | bidirectional arrows, bijective functions, and invariant functors | 
| io-machine-0.2.0.0 | Easy I/O model to learn IO monad | 
| io-manager-0.1.0.2 | Skeleton library around the IO monad | 
| io-memoize-1.1.1.0 | Memoize IO actions | 
| io-region-0.1.1 | Exception safe resource management with dynamic regions | 
| io-storage-0.3 | A key-value store in the IO monad | 
| io-streams-1.5.1.0 | Simple, composable, and easy-to-use stream I/O | 
| io-streams-haproxy-1.0.1.0 | HAProxy protocol 1.5 support for io-streams | 
| ip-1.7.1 | Library for IP and MAC addresses | 
| ip6addr-1.0.1 | Commandline tool to deal with IPv6 address text representations | 
| iproute-1.7.8 | IP Routing Table | 
| IPv6Addr-1.1.3 | Library to deal with IPv6 address text representations | 
| ipynb-0.1 | Data structure for working with Jupyter notebooks (ipynb) | 
| ipython-kernel-0.10.1.0 | A library for creating kernels for IPython frontends | 
| irc-0.6.1.0 | A small library for parsing IRC messages | 
| irc-client-1.1.1.1 | An IRC client library | 
| irc-conduit-0.3.0.4 | Streaming IRC message library using conduits | 
| irc-ctcp-0.1.3.0 | A CTCP encoding and decoding library for IRC clients | 
| islink-0.1.0.0 | Check if an HTML element is a link | 
| iso3166-country-codes-0.20140203.8 | A datatype for ISO 3166 country codes | 
| iso639-0.1.0.3 | ISO-639-1 language codes | 
| iso8601-time-0.1.5 | Convert to/from the ISO 8601 time format | 
| iterable-3.0 | API for hierarchical multilevel collections | 
| ix-shapable-0.1.0 | Reshape multi-dimensional arrays | 
| jack-0.7.1.4 | Bindings for the JACK Audio Connection Kit | 
| jailbreak-cabal-1.3.5 | Strip version restrictions from Cabal files | 
| jira-wiki-markup-1.0.0 | Handle Jira wiki markup | 
| jose-jwt-0.8.0 | JSON Object Signing and Encryption Library | 
| js-dgtable-0.5.2 | Obtain minified jquery.dgtable code | 
| js-flot-0.8.3 | Obtain minified flot code | 
| js-jquery-3.3.1 | Obtain minified jQuery code | 
| json-alt-1.0.0 | Union 'alternative' or Either that has untagged JSON encoding | 
| json-feed-1.0.8 | JSON Feed | 
| jsonpath-0.1.0.2 | Library to parse and execute JSONPath | 
| json-rpc-1.0.1 | Fully-featured JSON-RPC 2.0 library | 
| json-rpc-generic-0.2.1.5 | Generic encoder and decode for JSON-RPC | 
| JuicyPixels-3.3.4 | Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and radiance) | 
| JuicyPixels-extra-0.4.1 | Efficiently scale, crop, flip images with JuicyPixels | 
| JuicyPixels-scale-dct-0.1.2 | Scale JuicyPixels images with DCT | 
| justified-containers-0.3.0.0 | Keyed container types with type-checked proofs of key presence | 
| jwt-0.10.0 | JSON Web Token (JWT) decoding and encoding | 
| kan-extensions-5.2 | Kan extensions, Kan lifts, the Yoneda lemma, and (co)density (co)monads | 
| kanji-3.4.1 | Perform 漢字検定 (Japan Kanji Aptitude Test) level analysis on Japanese Kanji | 
| katip-0.8.3.0 | A structured logging framework | 
| kawhi-0.3.0 | stats.NBA.com library | 
| kazura-queue-0.1.0.4 | Fast concurrent queues much inspired by unagi-chan | 
| kdt-0.2.4 | Fast and flexible k-d trees for various types of point queries | 
| keycode-0.2.2 | Maps web browser keycodes to their corresponding keyboard keys | 
| keys-3.12.3 | Keyed functors and containers | 
| kind-apply-0.3.2.0 | Utilities to work with lists of types | 
| kind-generics-0.4.0.0 | Generic programming in GHC style for arbitrary kinds and GADTs | 
| kind-generics-th-0.2.1.0 | Template Haskell support for generating `GenericK` instances | 
| kmeans-0.1.3 | K-means clustering algorithm | 
| koofr-client-1.0.0.3 | Client to Koofr API | 
| l10n-0.1.0.1 | Enables providing localization as typeclass instances in separate files | 
| labels-0.3.3 | Anonymous records via named tuples | 
| lackey-1.0.11 | Generate Ruby clients from Servant APIs | 
| LambdaHack-0.9.5.0 | A game engine library for tactical squad ASCII roguelike dungeon crawlers | 
| lame-0.2.0 | Fairly complete high-level binding to LAME encoder | 
| language-c-0.8.3 | Analysis and generation of C code | 
| language-c-quote-0.12.2.1 | C/CUDA/OpenCL/Objective-C quasiquoting library | 
| language-haskell-extract-0.2.4 | Module to automatically extract functions from the local code | 
| language-java-0.2.9 | Java source manipulation | 
| language-javascript-0.7.0.0 | Parser for JavaScript | 
| language-nix-2.2.0 | Data types and functions to represent the Nix language | 
| language-protobuf-1.0.1 | Language definition and parser for Protocol Buffers | 
| language-puppet-1.4.6.2 | Tools to parse and evaluate the Puppet DSL | 
| lapack-carray-0.0.3 | Auto-generated interface to Fortran LAPACK via CArrays | 
| lapack-comfort-array-0.0.0.1 | Auto-generated interface to Fortran LAPACK via comfort-array | 
| lapack-ffi-0.0.2 | Auto-generated interface to Fortran LAPACK | 
| lapack-ffi-tools-0.1.2.1 | Generator for Haskell interface to Fortran LAPACK | 
| largeword-1.2.5 | Provides Word128, Word192 and Word256 and a way of producing other large words if required | 
| latex-0.1.0.4 | Parse, format and process LaTeX files | 
| lattices-2.0.1 | Fine-grained library for constructing and manipulating lattices | 
| lawful-0.1.0.0 | Assert the lawfulness of your typeclass instances | 
| lazy-csv-0.5.1 | Efficient lazy parsers for CSV (comma-separated values) | 
| lazyio-0.1.0.4 | Run IO actions lazily while respecting their order | 
| lca-0.3.1 | O(log n) persistent online lowest common ancestor search without preprocessing | 
| leancheck-0.9.1 | Enumerative property-based testing | 
| leancheck-instances-0.0.3 | Common LeanCheck instances | 
| leapseconds-announced-2017.1.0.1 | Leap seconds announced at library release time | 
| lens-4.18.1 | Lenses, Folds and Traversals | 
| lens-action-0.2.4 | Monadic Getters and Folds | 
| lens-aeson-1.1 | Law-abiding lenses for aeson | 
| lens-datetime-0.3 | Lenses for Data.Time.* types | 
| lens-family-2.0.0 | Lens Families | 
| lens-family-core-2.0.0 | Haskell 2022 Lens Families | 
| lens-family-th-0.5.0.2 | Generate lens-family style lenses | 
| lens-misc-0.0.2.0 | Miscellaneous lens utilities | 
| lens-properties-4.11.1 | QuickCheck properties for lens | 
| lens-regex-0.1.1 | Lens powered regular expression | 
| lenz-0.4.2.0 | Van Laarhoven lenses | 
| leveldb-haskell-0.6.5 | Haskell bindings to LevelDB | 
| libffi-0.1 | A binding to libffi | 
| libgit-0.3.1 | Simple Git Wrapper | 
| libgraph-1.14 | Store and manipulate data in a graph | 
| libiserv-8.8.2 | Provides shared functionality between iserv and iserv-proxy | 
| libmpd-0.9.1.0 | An MPD client library | 
| libyaml-0.1.2 | Low-level, streaming YAML interface | 
| LibZip-1.0.1 | Bindings to libzip, a library for manipulating zip archives | 
| lifted-async-0.10.0.4 | Run lifted IO operations asynchronously and wait for their results | 
| lifted-base-0.2.3.12 | lifted IO operations from the base library | 
| lift-generics-0.1.3 | GHC.Generics-based Language.Haskell.TH.Syntax.lift implementation | 
| linear-1.20.9 | Linear Algebra | 
| linenoise-0.3.1 | A lightweight readline-replacement library for Haskell | 
| linux-file-extents-0.2.0.0 | Retrieve file fragmentation information under Linux | 
| linux-namespaces-0.1.3.0 | Work with linux namespaces: create new or enter existing ones | 
| List-0.6.2 | List monad transformer and class | 
| ListLike-4.6.3 | Generalized support for list-like structures | 
| listsafe-0.1.0.1 | Safe wrappers for partial list functions, supporting MonadThrow | 
| list-singleton-1.0.0.2 | Easily and clearly create lists with only one element in them | 
| list-t-1.0.4 | ListT done right | 
| ListTree-0.2.3 | Trees and monadic trees expressed as monadic lists where the underlying monad is a list | 
| llvm-hs-9.0.1 | General purpose LLVM bindings | 
| llvm-hs-pure-9.0.0 | Pure Haskell LLVM functionality (no FFI) | 
| lmdb-0.2.5 | Lightning MDB bindings | 
| load-env-0.2.1.0 | Load environment variables from a file | 
| loch-th-0.2.2 | Support for precise error locations in source files (Template Haskell version) | 
| lockfree-queue-0.2.3.1 | Michael and Scott lock-free queues | 
| log-base-0.8.0.0 | Structured logging solution (base package) | 
| log-domain-0.13 | Log-domain arithmetic | 
| logfloat-0.13.3.3 | Log-domain floating point numbers | 
| logging-effect-1.3.9 | A mtl-style monad transformer for general purpose & compositional logging | 
| logging-facade-0.3.0 | Simple logging abstraction that allows multiple back-ends | 
| logging-facade-syslog-1 | A logging back-end to syslog(3) for the logging-facade library | 
| logict-0.7.0.2 | A backtracking logic-programming monad | 
| loop-0.3.0 | Fast loops (for when GHC can't optimize forM_) | 
| loopbreaker-0.1.1.1 | inline self-recursive definitions | 
| lrucache-1.2.0.1 | a simple, pure LRU cache | 
| lrucaching-0.3.3 | LRU cache | 
| lsp-test-0.10.1.0 | Functional test framework for LSP servers | 
| lucid-2.9.12 | Clear to write, read and edit DSL for HTML | 
| lucid-extras-0.2.2 | Generate more HTML with Lucid - Bootstrap, Rdash, Vega-Lite, Leaflet JS, Email | 
| lzma-0.0.0.3 | LZMA/XZ compression and decompression | 
| lzma-conduit-1.2.1 | Conduit interface for lzma/xz compression | 
| machines-0.7 | Networked stream transducers | 
| mainland-pretty-0.7.0.1 | Pretty printing designed for printing source code | 
| main-tester-0.2.0.1 | Capture stdout/stderr/exit code, and replace stdin of your main function | 
| makefile-1.1.0.0 | Simple Makefile parser and generator | 
| managed-1.0.7 | A monad for managed values | 
| markdown-0.1.17.4 | Convert Markdown to HTML, with XSS protection | 
| markdown-unlit-0.5.0 | Literate Haskell support for Markdown | 
| markov-chain-0.0.3.4 | Markov Chains for generating random sequences with a user definable behaviour | 
| massiv-0.4.5.0 | Massiv (Массив) is an Array Library | 
| massiv-io-0.1.9.0 | Import/export of Image files into massiv Arrays | 
| massiv-test-0.1.2 | Library that contains generators, properties and tests for Massiv Array Library | 
| mathexpr-0.3.0.0 | Parse and evaluate math expressions with variables and functions | 
| math-functions-0.3.3.0 | Collection of tools for numeric computations | 
| matplotlib-0.7.5 | Bindings to Matplotlib; a Python plotting library | 
| matrices-0.5.0 | native matrix based on vector | 
| matrix-0.3.6.1 | A native implementation of matrix operations | 
| matrix-market-attoparsec-0.1.1.3 | Parsing and serialization functions for the NIST Matrix Market format | 
| matrix-static-0.2.1 | Type-safe matrix operations | 
| maximal-cliques-0.1.1 | Enumerate all maximal cliques of a graph | 
| mbox-0.3.4 | Read and write standard mailbox files | 
| mbox-utility-0.0.3.1 | List contents of an mbox file containing e-mails | 
| mcmc-types-1.0.3 | Common types for sampling | 
| median-stream-0.7.0.0 | Constant-time queries for the median of a stream of numeric data | 
| megaparsec-8.0.0 | Monadic parser combinators | 
| megaparsec-tests-8.0.0 | Test utilities and the test suite of Megaparsec | 
| memory-0.15.0 | memory and related abstraction stuff | 
| MemoTrie-0.6.10 | Trie-based memo functions | 
| mercury-api-0.1.0.2 | Haskell binding to Mercury API for ThingMagic RFID readers | 
| mersenne-random-pure64-0.2.2.0 | Generate high quality pseudorandom numbers purely using a Mersenne Twister | 
| messagepack-0.5.4 | Serialize instance for Message Pack Object | 
| metrics-0.4.1.1 | High-performance application metric tracking | 
| mfsolve-0.3.2.0 | Equation solver and calculator à la metafont | 
| microlens-0.4.11.2 | A tiny lens library with no dependencies | 
| microlens-aeson-2.3.0.4 | Law-abiding lenses for Aeson, using microlens | 
| microlens-contra-0.1.0.2 | True folds and getters for microlens | 
| microlens-ghc-0.4.12 | microlens + array, bytestring, containers, transformers | 
| microlens-mtl-0.2.0.1 | microlens support for Reader/Writer/State from mtl | 
| microlens-platform-0.4.1 | microlens + all batteries included (best for apps) | 
| microlens-process-0.2.0.1 | Micro-optics for the process library | 
| microlens-th-0.4.3.4 | Automatic generation of record lenses for microlens | 
| microspec-0.2.1.3 | Tiny QuickCheck test library with minimal dependencies | 
| microstache-1.0.1.1 | Mustache templates for Haskell | 
| midair-0.2.0.1 | Hot-swappable FRP | 
| midi-0.2.2.2 | Handling of MIDI messages and files | 
| mighty-metropolis-1.2.0 | The Metropolis algorithm | 
| mime-mail-0.5.0 | Compose MIME email messages | 
| mime-mail-ses-0.4.1 | Send mime-mail messages via Amazon SES | 
| mime-types-0.1.0.9 | Basic mime-type handling types and functions | 
| mini-egison-0.1.6 | Template Haskell Implementation of Egison Pattern Matching | 
| minimal-configuration-0.1.4 | Minimal ini like configuration library with a few extras | 
| minimorph-0.2.1.0 | English spelling functions with an emphasis on simplicity | 
| minio-hs-1.5.2 | A MinIO Haskell Library for Amazon S3 compatible cloud storage | 
| miniutter-0.5.0.0 | Simple English clause creation from arbitrary words | 
| mintty-0.1.2 | A reliable way to detect the presence of a MinTTY console on Windows | 
| missing-foreign-0.1.1 | Convenience functions for FFI work | 
| mixed-types-num-0.4.0.1 | Alternative Prelude with numeric and logic expressions typed bottom-up | 
| mltool-0.2.0.1 | Machine Learning Toolbox | 
| mmap-0.5.9 | Memory mapped files for POSIX and Windows | 
| mmark-0.0.7.2 | Strict markdown processor for writers | 
| mmark-cli-0.0.5.0 | Command line interface to the MMark markdown processor | 
| mmark-ext-0.2.1.2 | Commonly useful extensions for the MMark markdown processor | 
| mmorph-1.1.3 | Monad morphisms | 
| mnist-idx-0.1.2.8 | Read and write IDX data that is used in e.g. the MNIST database | 
| mockery-0.3.5 | Support functions for automated testing | 
| mod-0.1.1.0 | Fast type-safe modular arithmetic | 
| modern-uri-0.3.1.0 | Modern library for working with URIs | 
| modular-0.1.0.8 | Type-safe modular arithmetic | 
| monad-control-1.0.2.3 | Lift control operations, like exception catching, through monad transformers | 
| monad-control-aligned-0.0.1.1 | Just like monad-control, except less efficient, and the monadic state terms are all * -> * | 
| monad-coroutine-0.9.0.4 | Coroutine monad transformer for suspending and resuming monadic computations | 
| monad-extras-0.6.0 | Extra utility functions for working with monads | 
| monadic-arrays-0.2.2 | Boxed and unboxed arrays for monad transformers | 
| monad-journal-0.8.1 | Pure logger typeclass and monad transformer | 
| monad-logger-0.3.31 | A class of monads which can log messages | 
| monad-logger-json-0.1.0.0 | JSON-friendly Logging APIs | 
| monad-logger-prefix-0.1.11 | Add prefixes to your monad-logger output | 
| monad-loops-0.4.3 | Monadic loops | 
| monad-memo-0.5.1 | Memoization monad transformer | 
| monad-par-0.3.5 | A library for parallel programming based on a monad | 
| monad-parallel-0.7.2.3 | Parallel execution of monadic computations | 
| monad-par-extras-0.3.3 | Combinators and extra features for Par monads | 
| monad-peel-0.2.1.2 | Lift control operations like exception catching through monad transformers | 
| monad-products-4.0.1 | Monad products | 
| MonadPrompt-1.0.0.5 | MonadPrompt, implementation & examples | 
| MonadRandom-0.5.1.2 | Random-number generation monad | 
| monad-resumption-0.1.4.0 | Resumption and reactive resumption monads for Haskell | 
| monad-skeleton-0.1.5 | Monads of program skeleta | 
| monad-st-0.2.4.1 | Provides a MonadST class | 
| monads-tf-0.1.0.3 | Monad classes, using type families | 
| monad-time-0.3.1.0 | Type class for monads which carry the notion of the current time | 
| monad-unlift-0.2.0 | Typeclasses for representing monad transformer unlifting | 
| monad-unlift-ref-0.2.1 | Typeclasses for representing monad transformer unlifting | 
| monoid-extras-0.5.1 | Various extra monoid-related definitions and utilities | 
| monoid-subclasses-1.0.1 | Subclasses of Monoid | 
| monoid-transformer-0.0.4 | Monoid counterparts to some ubiquitous monad transformers | 
| mono-traversable-1.0.15.1 | Type classes for mapping, folding, and traversing monomorphic containers | 
| mono-traversable-instances-0.1.0.0 | Extra typeclass instances for mono-traversable | 
| mono-traversable-keys-0.1.0 | Type-classes for interacting with monomorphic containers with a key | 
| more-containers-0.2.2.0 | A few more collections | 
| morpheus-graphql-0.10.0 | Morpheus GraphQL | 
| mountpoints-1.0.2 | list mount points | 
| mtl-2.2.2 | Monad classes, using functional dependencies | 
| mtl-compat-0.2.2 | Backported Control.Monad.Except module from mtl | 
| mtl-prelude-2.0.3.1 | Reexports of most definitions from "mtl" and "transformers" | 
| multiarg-0.30.0.10 | Command lines for options that take multiple arguments | 
| multimap-1.2.1 | A multimap | 
| multiset-0.3.4.3 | The Data.MultiSet container type | 
| multistate-0.8.0.2 | like mtl's ReaderT / WriterT / StateT, but more than one contained value/type | 
| murmur3-1.0.3 | Pure Haskell implementation of the MurmurHash3 x86_32 algorithm | 
| murmur-hash-0.1.0.9 | MurmurHash2 implementation for Haskell | 
| MusicBrainz-0.4.1 | interface to MusicBrainz XML2 and JSON web services | 
| mustache-2.3.1 | A mustache template parser library | 
| mutable-containers-0.3.4 | Abstactions and concrete implementations of mutable containers | 
| mwc-probability-2.2.0 | Sampling function-based probability distributions | 
| mwc-random-0.14.0.0 | Fast, high quality pseudo random number generation | 
| mx-state-codes-1.0.0.0 | ISO 3166-2:MX State Codes and Names | 
| mysql-0.1.7 | A low-level MySQL client library | 
| mysql-simple-0.4.5 | A mid-level MySQL client library | 
| n2o-0.11.1 | Abstract Protocol Loop | 
| nagios-check-0.3.2 | Package for writing monitoring plugins | 
| names-th-0.3.0.0 | Manipulate name strings for TH | 
| nano-erl-0.1.0.1 | Small library for Erlang-style actor semantics | 
| nanospec-0.2.2 | A lightweight implementation of a subset of Hspec's API | 
| nats-1.1.2 | Natural numbers | 
| natural-arithmetic-0.1.2.0 | Arithmetic of natural numbers | 
| natural-induction-0.2.0.0 | Induction over natural numbers | 
| natural-sort-0.1.2 | User-friendly text collation | 
| natural-transformation-0.4 | A natural transformation package | 
| ndjson-conduit-0.1.0.5 | Conduit-based parsing and serialization for newline delimited JSON | 
| neat-interpolation-0.3.2.6 | A quasiquoter for neat and simple multiline text interpolation | 
| netlib-carray-0.1 | Helper modules for CArray wrappers to BLAS and LAPACK | 
| netlib-comfort-array-0.0.0.1 | Helper modules for comfort-array wrappers to BLAS and LAPACK | 
| netlib-ffi-0.1.1 | Helper modules for FFI to BLAS and LAPACK | 
| netpbm-1.0.3 | Loading PBM, PGM, PPM image files | 
| netrc-0.2.0.0 | Parser for .netrc files | 
| nettle-0.3.0 | safe nettle binding | 
| netwire-5.0.3 | Functional reactive programming library | 
| netwire-input-0.0.7 | Input handling abstractions for netwire | 
| netwire-input-glfw-0.0.10 | GLFW instance of netwire-input | 
| network-3.1.1.1 | Low-level networking interface | 
| network-bsd-2.8.1.0 | POSIX network database (<netdb.h>) API | 
| network-byte-order-0.1.3.0 | Network byte order utilities | 
| network-conduit-tls-1.3.2 | Create TLS-aware network code with conduits | 
| network-info-0.2.0.10 | Access the local computer's basic network configuration | 
| network-ip-0.3.0.3 | Internet Protocol data structures | 
| network-transport-0.5.4 | Network abstraction layer | 
| network-transport-composed-0.2.1 | Compose network transports | 
| network-uri-2.6.2.0 | URI manipulation | 
| newtype-0.2.2.0 | A typeclass and set of functions for working with newtypes | 
| newtype-generics-0.5.4 | A typeclass and set of functions for working with newtypes | 
| nicify-lib-1.0.1 | Pretty print the standard output of default `Show` instances | 
| NineP-0.0.2.1 | 9P2000 in pure Haskell | 
| nix-paths-1.0.1 | Knowledge of Nix's installation directories | 
| NoHoed-0.1.1 | Placeholder package to preserve debug ability via conditional builds | 
| nonce-1.0.7 | Generate cryptographic nonces | 
| nondeterminism-1.4 | A monad and monad transformer for nondeterministic computations | 
| non-empty-0.3.2 | List-like structures with static restrictions on the number of elements | 
| nonempty-containers-0.3.3.0 | Non-empty variants of containers data types, with full API | 
| nonemptymap-0.0.6.0 | A NonEmptyMap Implementation | 
| non-empty-sequence-0.2.0.4 | Non-empty sequence | 
| nonempty-vector-0.2.0.1 | Non-empty vectors | 
| non-negative-0.1.2 | Non-negative numbers | 
| not-gloss-0.7.7.0 | Painless 3D graphics, no affiliation with gloss | 
| no-value-1.0.0.0 | A type class for choosing sentinel-like values | 
| nowdoc-0.1.1.0 | Here document without variable expansion like PHP Nowdoc | 
| nqe-0.6.1 | Concurrency library in the style of Erlang/OTP | 
| nsis-0.3.3 | DSL for producing Windows Installer using NSIS | 
| numbers-3000.2.0.2 | Various number types | 
| numeric-extras-0.1 | Useful tools from the C standard library | 
| numeric-prelude-0.4.3.1 | An experimental alternative hierarchy of numeric type classes | 
| numhask-0.4.0 | numeric classes | 
| NumInstances-1.4 | Instances of numeric classes for functions and tuples | 
| numtype-dk-0.5.0.2 | Type-level integers, using TypeNats, Data Kinds, and Closed Type Families | 
| nuxeo-0.3.2 | |
| oauthenticated-0.2.1.0 | Simple OAuth for http-client | 
| ObjectName-1.1.0.1 | Explicitly handled object names | 
| o-clock-1.1.0 | Type-safe time library | 
| odbc-0.2.2 | Haskell binding to the ODBC API, aimed at SQL Server driver | 
| oeis2-1.0.3 | Interface for Online Encyclopedia of Integer Sequences (OEIS) | 
| ofx-0.4.4.0 | Parser for OFX data | 
| old-locale-1.0.0.7 | locale library | 
| old-time-1.1.0.3 | Time library | 
| once-0.4 | memoization for IO actions and functions | 
| one-liner-1.0 | Constraint-based generics | 
| one-liner-instances-0.1.2.1 | Generics-based implementations for common typeclasses | 
| OneTuple-0.2.2 | Singleton Tuple | 
| Only-0.1 | The 1-tuple type or single-value "collection" | 
| oo-prototypes-0.1.0.0 | Support for OO-like prototypes | 
| opaleye-0.6.7004.1 | An SQL-generating DSL targeting PostgreSQL | 
| OpenAL-1.7.0.5 | A binding to the OpenAL cross-platform 3D audio API | 
| open-browser-0.2.1.0 | Open a web browser from Haskell | 
| openexr-write-0.1.0.2 | Library for writing images in OpenEXR HDR file format | 
| OpenGL-3.0.3.0 | A binding for the OpenGL graphics system | 
| OpenGLRaw-3.3.4.0 | A raw binding for the OpenGL graphics system | 
| openpgp-asciiarmor-0.1.2 | OpenPGP (RFC4880) ASCII Armor codec | 
| opensource-0.1.1.0 | Haskell API Wrapper for the Open Source License API | 
| openssl-streams-1.2.2.0 | OpenSSL network support for io-streams | 
| opentelemetry-0.0.0.2 | |
| operational-0.2.3.5 | Implementation of difficult monads made easy with operational semantics | 
| operational-class-0.3.0.0 | MonadProgram typeclass for the operational package | 
| optics-0.2 | Optics as an abstract interface | 
| optics-core-0.2 | Optics as an abstract interface: core definitions | 
| optics-extra-0.2 | Extra utilities and instances for optics-core | 
| optics-th-0.2 | Optics construction using TemplateHaskell | 
| optics-vl-0.2 | Utilities for compatibility with van Laarhoven optics | 
| optional-args-1.0.2 | Optional function arguments | 
| options-1.2.1.1 | A powerful and easy-to-use command-line option parser | 
| optparse-applicative-0.15.1.0 | Utilities and combinators for parsing command line options | 
| optparse-generic-1.3.1 | Auto-generate a command-line parser for your datatype | 
| optparse-simple-0.1.1.2 | Simple interface to optparse-applicative | 
| optparse-text-0.1.1.0 | Data.Text helpers for optparse-applicative | 
| ordered-containers-0.2.2 | Set- and Map-like types that remember the order elements were inserted | 
| ormolu-0.0.3.1 | A formatter for Haskell source code | 
| overhang-1.0.0 | Hang loose with your lambdas! | 
| packcheck-0.4.2 | Universal build and CI testing for Haskell packages | 
| pager-0.1.1.0 | Open up a pager, like 'less' or 'more' | 
| pagination-0.2.1 | Framework-agnostic pagination boilerplate | 
| pandoc-2.9.1.1 | Conversion between markup formats | 
| pandoc-citeproc-0.16.4.1 | Supports using pandoc with citeproc | 
| pandoc-csv2table-1.0.8 | Convert CSV to Pandoc Table Markdown | 
| pandoc-plot-0.2.1.0 | A Pandoc filter to include figures generated from code blocks using your plotting toolkit of choice | 
| pandoc-pyplot-2.3.0.1 | A Pandoc filter to include figures generated from Python code blocks | 
| pandoc-types-1.20 | Types for representing a structured document | 
| papillon-0.1.1.1 | packrat parser | 
| parallel-3.2.2.0 | Parallel programming library | 
| parallel-io-0.3.3 | Combinators for executing IO actions in parallel on a thread pool | 
| paripari-0.6.0.1 | Parser combinators with fast-path and slower fallback for error reporting | 
| parseargs-0.2.0.9 | Parse command-line arguments | 
| parsec-3.1.14.0 | Monadic parser combinators | 
| parsec-class-1.0.0.0 | Class of types that can be constructed from their text representation | 
| parsec-numbers-0.1.0 | Utilities for parsing numbers from strings | 
| parsec-numeric-0.1.0.0 | Parsec combinators for parsing Haskell numeric types | 
| ParsecTools-0.0.2.0 | Parsec combinators for more complex objects | 
| parser-combinators-1.2.1 | Lightweight package providing commonly useful parser combinators | 
| parser-combinators-tests-1.2.1 | Test suite of parser-combinators | 
| parsers-0.12.10 | Parsing combinators | 
| partial-handler-1.0.3 | A composable exception handler | 
| partial-isomorphisms-0.2.2.1 | Partial isomorphisms | 
| password-1.0.0.0 | plain-text password and hashed password datatypes and functions | 
| password-instances-1.0.0.0 | typeclass instances for password package | 
| path-0.7.0 | Support for well-typed paths | 
| path-extra-0.2.0 | URLs without host information | 
| path-io-1.6.0 | Interface to ‘directory’ package for users of ‘path’ | 
| path-pieces-0.2.1 | Components of paths | 
| pathtype-0.8.1 | Type-safe replacement for System.FilePath etc | 
| pathwalk-0.3.1.2 | Path walking utilities for Haskell programs | 
| pattern-arrows-0.0.2 | Arrows for Pretty Printing | 
| pcg-random-0.1.3.6 | Haskell bindings to the PCG random number generator | 
| pcre-heavy-1.0.0.2 | A regexp (regex) library on top of pcre-light you can actually use | 
| pcre-light-0.4.1.0 | Portable regex library for Perl 5 compatible regular expressions | 
| pcre-utils-0.1.8.1.1 | Perl-like substitute and split for PCRE regexps | 
| pdfinfo-1.5.4 | Wrapper around the pdfinfo command | 
| peano-0.1.0.1 | Peano numbers | 
| pem-0.2.4 | Privacy Enhanced Mail (PEM) format reader and writer | 
| percent-format-0.0.1 | simple printf-style string formatting | 
| perfect-hash-generator-0.2.0.6 | Perfect minimal hashing implementation in native Haskell | 
| perfect-vector-shuffle-0.1.1.1 | Library for performing vector shuffles | 
| persist-0.1.1.4 | Minimal serialization library with focus on performance | 
| persistable-record-0.6.0.4 | Binding between SQL database values and haskell records | 
| persistent-2.10.5.1 | Type-safe, multi-backend data serialization | 
| persistent-mysql-2.10.2.3 | Backend for the persistent library using MySQL database server | 
| persistent-pagination-0.1.1.1 | Efficient and correct pagination for persistent or esqueleto queries | 
| persistent-postgresql-2.10.1.2 | Backend for the persistent library using postgresql | 
| persistent-qq-2.9.1.1 | Provides a quasi-quoter for raw SQL for persistent | 
| persistent-sqlite-2.10.6.1 | Backend for the persistent library using sqlite3 | 
| persistent-template-2.8.2.1 | Type-safe, non-relational, multi-backend persistence | 
| persistent-test-2.0.3.1 | Tests for Persistent | 
| persistent-typed-db-0.1.0.0 | Type safe access to multiple database schemata | 
| pg-harness-client-0.6.0 | Client library for pg-harness-server | 
| pgp-wordlist-0.1.0.3 | Translate between binary data and a human-readable collection of words | 
| pg-transact-0.3.1.1 | A postgresql-simple transaction monad | 
| phantom-state-0.2.1.2 | Phantom State Transformer. Like State Monad, but without values | 
| pid1-0.1.2.0 | Do signal handling and orphan reaping for Unix PID1 init processes | 
| pipes-4.3.13 | Compositional pipelines | 
| pipes-aeson-0.4.1.8 | Encode and decode JSON streams using Aeson and Pipes | 
| pipes-attoparsec-0.5.1.5 | Attoparsec and Pipes integration | 
| pipes-binary-0.4.2 | Encode and decode binary streams using the pipes and binary libraries | 
| pipes-bytestring-2.1.6 | ByteString support for pipes | 
| pipes-concurrency-2.0.12 | Concurrency for the pipes ecosystem | 
| pipes-csv-1.4.3 | Fast, streaming csv parser | 
| pipes-extras-1.0.15 | Extra utilities for pipes | 
| pipes-fastx-0.3.0.0 | Streaming parsers for Fasta and Fastq | 
| pipes-group-1.0.12 | Group streams into substreams | 
| pipes-http-1.0.6 | HTTP client with pipes interface | 
| pipes-ordered-zip-1.1.0 | merge two ordered Producers into a new Producer | 
| pipes-parse-3.0.8 | Parsing infrastructure for the pipes ecosystem | 
| pipes-random-1.0.0.5 | Producers for handling randomness | 
| pipes-safe-2.3.2 | Safety for the pipes ecosystem | 
| pipes-wai-3.2.0 | A port of wai-conduit for the pipes ecosystem | 
| pkcs10-0.2.0.0 | PKCS#10 library | 
| placeholders-0.1 | Placeholders for use while developing Haskell code | 
| planb-token-introspection-0.1.4.0 | Token Introspection for PlanB | 
| plotlyhs-0.2.1 | Haskell bindings to Plotly.js | 
| pointed-5.0.1 | Pointed and copointed data | 
| pointedlist-0.6.1 | A zipper-like comonad which works as a list, tracking a position | 
| pointless-fun-1.1.0.6 | Some common point-free combinators | 
| poll-0.0.0.1 | Bindings to poll.h | 
| poly-0.3.3.0 | Polynomials | 
| poly-arity-0.1.0 | Tools for working with functions of undetermined arity | 
| polynomials-bernstein-1.1.2 | A solver for systems of polynomial equations in bernstein form | 
| polyparse-1.13 | A variety of alternative parser combinator libraries | 
| polysemy-1.2.3.0 | Higher-order, low-boilerplate, zero-cost free monads | 
| pooled-io-0.0.2.2 | Run jobs on a limited number of threads and support data dependencies | 
| port-utils-0.2.1.0 | Utilities for creating and waiting on ports | 
| posix-paths-0.2.1.6 | POSIX filepath/directory functionality | 
| possibly-1.0.0.0 | type Possibly a = Either String a | 
| postgres-options-0.2.0.0 | An Options type representing options for postgres connections | 
| postgresql-binary-0.12.2 | Encoders and decoders for the PostgreSQL's binary format | 
| postgresql-libpq-0.9.4.2 | low-level binding to libpq | 
| postgresql-orm-0.5.1 | An ORM (Object Relational Mapping) and migrations DSL for PostgreSQL | 
| postgresql-simple-0.6.2 | Mid-Level PostgreSQL client library | 
| post-mess-age-0.2.1.0 | Send messages to a handle concurrently without getting them mixed | 
| pptable-0.3.0.0 | Pretty Print containers in a tabular format | 
| pqueue-1.4.1.2 | Reliable, persistent, fast priority queues | 
| prefix-units-0.2.0 | A basic library for SI/binary prefix units | 
| prelude-compat-0.0.0.2 | Provide Prelude and Data.List with fixed content across GHC versions | 
| prelude-safeenum-0.1.1.2 | A redefinition of the Prelude's Enum class in order to render it safe | 
| pretty-1.1.3.6 | Pretty-printing library | 
| pretty-class-1.0.1.1 | Pretty printing class similar to Show | 
| prettyclass-1.0.0.0 | Pretty printing class similar to Show | 
| pretty-hex-1.1 | A library for hex dumps of ByteStrings | 
| prettyprinter-1.6.0 | A modern, easy to use, well-documented, extensible pretty-printer | 
| prettyprinter-ansi-terminal-1.1.1.2 | ANSI terminal backend for the »prettyprinter« package | 
| prettyprinter-compat-annotated-wl-pprint-1 | Prettyprinter compatibility module for previous users of the annotated-wl-pprint package | 
| prettyprinter-compat-ansi-wl-pprint-1.0.1 | Drop-in compatibility package to migrate from »ansi-wl-pprint« to »prettyprinter« | 
| prettyprinter-compat-wl-pprint-1.0.0.1 | Prettyprinter compatibility module for previous users of the wl-pprint package | 
| prettyprinter-convert-ansi-wl-pprint-1.1 | Converter from »ansi-wl-pprint« documents to »prettyprinter«-based ones | 
| pretty-show-1.9.5 | Tools for working with derived `Show` instances and generic inspection of values | 
| pretty-simple-3.2.1.0 | pretty printer for data types with a 'Show' instance | 
| pretty-sop-0.2.0.3 | A generic pretty-printer using generics-sop | 
| pretty-types-0.3.0.1 | A small pretty printing DSL for complex types | 
| primes-0.2.1.0 | Efficient, purely functional generation of prime numbers | 
| primitive-0.7.0.0 | Primitive memory-related operations | 
| primitive-addr-0.1.0.2 | Addresses to unmanaged memory | 
| primitive-extras-0.8 | Extras for the "primitive" library | 
| primitive-offset-0.2.0.0 | Types for offsets into unboxed arrays | 
| primitive-unaligned-0.1.1.1 | Unaligned access to primitive arrays | 
| primitive-unlifted-0.1.3.0 | Primitive GHC types with unlifted types inside | 
| print-console-colors-0.1.0.0 | Print all ANSI console colors | 
| process-1.6.7.0 | Process libraries | 
| process-extras-0.7.4 | Process extras | 
| product-isomorphic-0.0.3.3 | Weaken applicative functor on products | 
| product-profunctors-0.10.0.0 | product-profunctors | 
| profiterole-0.1 | Restructure GHC profile reports | 
| profunctors-5.5.1 | Profunctors | 
| projectroot-0.2.0.1 | Bindings to the projectroot C logic | 
| project-template-0.2.0.1 | Specify Haskell project templates and generate files | 
| prometheus-client-1.0.0 | Haskell client library for http://prometheus.io | 
| promises-0.3 | Lazy demand-driven promises | 
| prompt-0.1.1.2 | Monad (and transformer) for deferred-effect pure prompt-response queries | 
| prospect-0.1.0.0 | Explore continuations with trepidation | 
| protobuf-simple-0.1.1.0 | Simple Protocol Buffers library (proto2) | 
| protocol-radius-0.0.1.1 | parser and printer for radius protocol packet | 
| protocol-radius-test-0.1.0.1 | testsuit of protocol-radius haskell package | 
| proto-lens-0.6.0.0 | A lens-based implementation of protocol buffers in Haskell | 
| proto-lens-arbitrary-0.1.2.8 | Arbitrary instances for proto-lens | 
| proto-lens-optparse-0.1.1.6 | Adapting proto-lens to optparse-applicative ReadMs | 
| proto-lens-protobuf-types-0.6.0.0 | Basic protocol buffer message types | 
| proto-lens-protoc-0.6.0.0 | Protocol buffer compiler for the proto-lens library | 
| proto-lens-runtime-0.6.0.0 | |
| proto-lens-setup-0.4.0.3 | Cabal support for codegen with proto-lens | 
| protolude-0.2.4 | A small prelude | 
| proxied-0.3.1 | Make functions consume Proxy instead of undefined | 
| psqueues-0.2.7.2 | Pure priority search queues | 
| publicsuffix-0.20191003 | The publicsuffix list exposed as proper Haskell types | 
| pulse-simple-0.1.14 | binding to Simple API of pulseaudio | 
| pureMD5-2.1.3 | A Haskell-only implementation of the MD5 digest (hash) algorithm | 
| purescript-bridge-0.13.0.0 | Generate PureScript data types from Haskell data types | 
| pushbullet-types-0.4.1.0 | Datatypes used by the Pushbullet APIs | 
| pusher-http-haskell-1.5.1.11 | Haskell client library for the Pusher HTTP API | 
| PyF-0.9.0.0 | Quasiquotations for a python like interpolated string formater | 
| qchas-1.1.0.1 | A library for implementing Quantum Algorithms | 
| qm-interpolated-string-0.3.0.0 | Implementation of interpolated multiline strings | 
| qrcode-core-0.9.2 | QR code library in pure Haskell | 
| qrcode-juicypixels-0.8.0 | Converts a qrcode-core image to JuicyPixels | 
| quadratic-irrational-0.1.0 | An implementation of quadratic irrationals | 
| QuasiText-0.1.2.6 | A QuasiQuoter for Text | 
| QuickCheck-2.13.2 | Automatic testing of Haskell programs | 
| quickcheck-arbitrary-adt-0.3.1.0 | Generic typeclasses for generating arbitrary ADTs | 
| quickcheck-assertions-0.3.0 | HUnit like assertions for QuickCheck | 
| quickcheck-classes-0.6.4.0 | QuickCheck common typeclasses | 
| quickcheck-classes-base-0.6.0.0 | QuickCheck common typeclasses from `base` | 
| quickcheck-instances-0.3.22 | Common quickcheck instances | 
| quickcheck-io-0.2.0 | Use HUnit assertions as QuickCheck properties | 
| quickcheck-simple-0.1.1.1 | Test properties and default-mains for QuickCheck | 
| quickcheck-special-0.1.0.6 | Edge cases and special values for QuickCheck Arbitrary instances | 
| quickcheck-text-0.1.2.1 | Alternative arbitrary instance for Text | 
| quickcheck-transformer-0.3.1 | A GenT monad transformer for QuickCheck library | 
| quickcheck-unicode-1.0.1.0 | Generator and shrink functions for testing Unicode-related software | 
| radius-0.6.1.0 | Remote Authentication Dial In User Service (RADIUS) | 
| rainbow-0.34.2.2 | Print text to terminal with colors and effects | 
| rainbox-0.24.4.0 | Two-dimensional box pretty printing, with colors | 
| ral-0.1 | Random access lists | 
| ramus-0.1.2 | Elm signal system for Haskell | 
| rando-0.0.0.4 | Easy-to-use randomness for livecoding | 
| random-1.1 | random number library | 
| random-bytestring-0.1.3.2 | Efficient generation of random bytestrings | 
| random-shuffle-0.0.4 | Random shuffle implementation | 
| random-tree-0.6.0.5 | Create random trees | 
| range-0.3.0.2 | An efficient and versatile range library | 
| Ranged-sets-0.4.0 | Ranged sets for Haskell | 
| range-set-list-0.1.3.1 | Memory efficient sets with ranges of elements | 
| rank1dynamic-0.4.0 | Like Data.Dynamic/Data.Typeable but with support for rank-1 polymorphic types | 
| rank2classes-1.3.2.1 | standard type constructor class hierarchy, only with methods of rank 2 types | 
| Rasterific-0.7.5.1 | A pure haskell drawing engine | 
| rasterific-svg-0.3.3.2 | SVG renderer based on Rasterific | 
| ratel-1.0.9 | Notify Honeybadger about exceptions | 
| ratel-wai-1.1.1 | Notify Honeybadger about exceptions via a WAI middleware | 
| rattle-0.1 | Forward build system, with caching and speculation | 
| rawfilepath-0.2.4 | Use RawFilePath instead of FilePath | 
| rawstring-qm-0.2.3.0 | Simple raw string quotation and dictionary interpolation | 
| raw-strings-qq-1.1 | Raw string literals for Haskell | 
| rcu-0.2.4 | Read-Copy-Update for Haskell | 
| rdf-0.1.0.3 | Representation and Incremental Processing of RDF Data | 
| rdtsc-1.3.0.1 | Binding for the rdtsc machine instruction | 
| re2-0.3 | Bindings to the re2 regular expression library | 
| readable-0.3.1 | Reading from Text and ByteString | 
| read-editor-0.1.0.2 | Opens a temporary file on the system's EDITOR and returns the resulting edits | 
| read-env-var-1.0.0.0 | Functions for safely reading environment variables | 
| reanimate-svg-0.9.4.0 | SVG file loader and serializer | 
| rebase-1.4.1 | A more progressive alternative to the "base" package | 
| record-dot-preprocessor-0.2.2 | Preprocessor to allow record.field syntax | 
| record-hasfield-1.0 | A version of GHC.Records as available in future GHCs | 
| records-sop-0.1.0.3 | Record subtyping and record utilities with generics-sop | 
| recursion-schemes-5.1.3 | Representing common recursion patterns as higher-order functions | 
| reducers-3.12.3 | Semigroups, specialized containers and a general map/reduce framework | 
| refact-0.3.0.2 | Specify refactorings to perform with apply-refact | 
| ref-fd-0.4.0.2 | A type class for monads with references using functional dependencies | 
| reflection-2.1.5 | Reifies arbitrary terms into types that can be reflected back into terms | 
| RefSerialize-0.4.0 | Write to and read from ByteStrings maintaining internal memory references | 
| regex-1.1.0.0 | Toolkit for regex-base | 
| regex-applicative-0.3.3.1 | Regex-based parsing with applicative interface | 
| regex-base-0.94.0.0 | Common "Text.Regex.*" API for Regex matching | 
| regex-compat-0.95.2.0 | Replaces/Enhances "Text.Regex" | 
| regex-compat-tdfa-0.95.1.4 | Unicode Support version of Text.Regex, using regex-tdfa | 
| regex-pcre-0.95.0.0 | PCRE Backend for "Text.Regex" (regex-base) | 
| regex-pcre-builtin-0.95.1.1.8.43 | PCRE Backend for "Text.Regex" (regex-base) | 
| regex-posix-0.96.0.0 | POSIX Backend for "Text.Regex" (regex-base) | 
| regex-tdfa-1.3.1.0 | Pure Haskell Tagged DFA Backend for "Text.Regex" (regex-base) | 
| regex-with-pcre-1.1.0.0 | Toolkit for regex-base | 
| reinterpret-cast-0.1.0 | Memory reinterpretation casts for Float/Double and Word32/Word64 | 
| relapse-1.0.0.0 | Sensible RLP encoding | 
| relational-query-0.12.2.2 | Typeful, Modular, Relational, algebraic query engine | 
| relational-schemas-0.1.7.0 | RDBMSs' schema templates for relational-query | 
| relude-0.6.0.0 | Custom prelude from Kowainik | 
| renderable-0.2.0.1 | An API for managing renderable resources | 
| replace-attoparsec-1.2.0.0 | Find, replace, and edit text patterns with Attoparsec parsers | 
| replace-megaparsec-1.2.1.0 | Find, replace, and edit text patterns with Megaparsec parsers | 
| repline-0.2.2.0 | Haskeline wrapper for GHCi-like REPL interfaces | 
| req-3.0.0 | Easy-to-use, type-safe, expandable, high-level HTTP client library | 
| req-conduit-1.0.0 | Conduit helpers for the req HTTP client library | 
| rerebase-1.4.1 | Reexports from "base" with a bunch of other standard libraries | 
| resource-pool-0.2.3.2 | A high-performance striped resource pooling implementation | 
| resourcet-1.2.2 | Deterministic allocation and freeing of scarce resources | 
| result-0.2.6.0 | Encode success or at least one error | 
| rethinkdb-client-driver-0.0.25 | Client driver for RethinkDB | 
| retry-0.8.1.0 | Retry combinators for monadic actions that may fail | 
| rev-state-0.1.2 | Reverse State monad transformer | 
| rfc1751-0.1.2 | RFC-1751 library for Haskell | 
| rfc5051-0.1.0.4 | Simple unicode collation as per RFC5051 | 
| rigel-viz-0.2.0.0 | A mid-level wrapper for vega-lite | 
| rio-0.1.13.0 | A standard library for Haskell | 
| rio-orphans-0.1.1.0 | Orphan instances for the RIO type in the rio package | 
| rio-prettyprint-0.1.0.0 | Pretty-printing for RIO | 
| roc-id-0.1.0.0 | Implementation of the ROC National ID standard | 
| rocksdb-haskell-1.0.1 | Haskell bindings to RocksDB | 
| rocksdb-query-0.3.1 | RocksDB database querying library for Haskell | 
| roles-0.2.0.0 | Composable class-based roles | 
| rope-utf16-splay-0.3.1.0 | Ropes optimised for updating using UTF-16 code units and row/column pairs | 
| rosezipper-0.2 | Generic zipper implementation for Data.Tree | 
| rot13-0.2.0.1 | Fast ROT13 cipher for Haskell | 
| rpmbuild-order-0.3 | Order RPM packages by dependencies | 
| RSA-2.4.1 | Implementation of RSA, using the padding schemes of PKCS#1 v2.1 | 
| runmemo-1.0.0.1 | A simple memoization helper library | 
| run-st-0.1.1.0 | runST without boxing penalty | 
| safe-0.3.18 | Library of safe (exception free) functions | 
| safecopy-0.10.2 | Binary serialization with version control | 
| safe-decimal-0.2.0.0 | Safe and very efficient arithmetic operations on fixed decimal point numbers | 
| safe-exceptions-0.1.7.0 | Safe, consistent, and easy exception handling | 
| safe-exceptions-checked-0.1.0 | Safe, checked exceptions | 
| safe-foldable-0.1.0.0 | Safe wrappers for null-partial Foldable operations | 
| safeio-0.0.5.0 | Write output to disk atomically | 
| safe-json-1.1.0 | Automatic JSON format versioning | 
| safe-money-0.9 | Type-safe and lossless encoding and manipulation of money, fiat currencies, crypto currencies and precious metals | 
| SafeSemaphore-0.10.1 | Much safer replacement for QSemN, QSem, and SampleVar | 
| salak-0.3.5.3 | Configuration (re)Loader and Parser | 
| salak-yaml-0.3.5.3 | Configuration Loader for yaml | 
| saltine-0.1.0.2 | Cryptography that's easy to digest (NaCl/libsodium bindings) | 
| salve-1.0.8 | Semantic version numbers and constraints | 
| sample-frame-0.0.3 | Handling of samples in an (audio) signal | 
| sample-frame-np-0.0.4.1 | Orphan instances for types from sample-frame and numericprelude | 
| sampling-0.3.3 | Sample values from collections | 
| say-0.1.0.1 | Send textual messages to a Handle in a thread-friendly way | 
| sbp-2.6.3 | SwiftNav's SBP Library | 
| scalpel-0.6.1 | A high level web scraping library for Haskell | 
| scalpel-core-0.6.1 | A high level web scraping library for Haskell | 
| scanf-0.1.0.0 | Easy and type-safe format strings for parsing and printing | 
| scanner-0.3.1 | Fast non-backtracking incremental combinator parsing for bytestrings | 
| scheduler-1.4.2.2 | Work stealing scheduler | 
| scientific-0.3.6.2 | Numbers represented using scientific notation | 
| scotty-0.11.5 | Haskell web framework inspired by Ruby's Sinatra, using WAI and Warp | 
| scrypt-0.5.0 | Stronger password hashing via sequential memory-hard functions | 
| sdl2-2.5.1.0 | Both high- and low-level bindings to the SDL library (version 2.0.6+) | 
| sdl2-gfx-0.2 | Bindings to SDL2_gfx | 
| sdl2-image-2.0.0 | Bindings to SDL2_image | 
| sdl2-mixer-1.1.0 | Bindings to SDL2_mixer | 
| sdl2-ttf-2.1.0 | Bindings to SDL2_ttf | 
| search-algorithms-0.3.1 | Common graph search algorithms | 
| secp256k1-haskell-0.1.8 | Bindings for secp256k1 library from Bitcoin Core | 
| securemem-0.1.10 | abstraction to an auto scrubbing and const time eq, memory chunk | 
| selda-0.5.1.0 | Multi-backend, high-level EDSL for interacting with SQL databases | 
| selda-json-0.1.1.0 | JSON support for the Selda database library | 
| selective-0.3 | Selective applicative functors | 
| semialign-1.1 | Align and Zip type-classes from the common Semialign ancestor | 
| semialign-indexed-1.1 | SemialignWithIndex, i.e. izipWith and ialignWith | 
| semialign-optics-1.1 | SemialignWithIndex, i.e. izipWith and ialignWith | 
| semigroupoid-extras-5 | Semigroupoids that depend on PolyKinds | 
| semigroupoids-5.3.4 | Semigroupoids: Category sans id | 
| semigroups-0.19.1 | Anything that associates | 
| semirings-0.5.2 | two monoids as one, in holy haskimony | 
| semiring-simple-1.0.0.1 | A module for dealing with semirings | 
| semver-0.3.4 | Representation, manipulation, and de/serialisation of Semantic Versions | 
| sendfile-0.7.11.1 | A portable sendfile library | 
| seqalign-0.2.0.4 | Sequence Alignment | 
| sequence-formats-1.4.1 | A package with basic parsing utilities for several Bioinformatic data formats | 
| sequenceTools-1.4.0.5 | A package with tools for processing DNA sequencing data | 
| serf-0.1.1.0 | Interact with Serf via Haskell | 
| serialise-0.2.2.0 | A binary serialisation library for Haskell values | 
| servant-0.16.2 | A family of combinators for defining webservices APIs | 
| servant-blaze-0.9 | Blaze-html support for servant | 
| servant-cassava-0.10 | Servant CSV content-type for cassava | 
| servant-checked-exceptions-2.2.0.0 | Checked exceptions for Servant APIs | 
| servant-checked-exceptions-core-2.2.0.0 | Checked exceptions for Servant APIs | 
| servant-client-0.16.0.1 | Automatic derivation of querying functions for servant | 
| servant-client-core-0.16 | Core functionality and class for client function generation for servant APIs | 
| servant-conduit-0.15 | Servant Stream support for conduit | 
| servant-docs-0.11.4 | generate API docs for your servant webservice | 
| servant-elm-0.7.1 | Automatically derive Elm functions to query servant webservices | 
| servant-foreign-0.15 | Helpers for generating clients for servant APIs in any programming language | 
| servant-js-0.9.4.1 | Automatically derive javascript functions to query servant webservices | 
| servant-JuicyPixels-0.3.0.5 | Servant support for JuicyPixels | 
| servant-lucid-0.9 | Servant support for lucid | 
| servant-machines-0.15 | Servant Stream support for machines | 
| servant-mock-0.8.5 | Derive a mock server for free from your servant API types | 
| servant-pipes-0.15.1 | Servant Stream support for pipes | 
| servant-purescript-0.9.0.4 | Generate PureScript accessor functions for you servant API | 
| servant-rawm-0.3.2.0 | Embed a raw 'Application' in a Servant API | 
| servant-server-0.16.2 | A family of combinators for defining webservices APIs and serving them | 
| servant-static-th-0.2.2.1 | Embed a directory of static files in your Servant server | 
| servant-subscriber-0.6.0.3 | When REST is not enough .. | 
| servant-swagger-1.1.7.1 | Generate a Swagger/OpenAPI/OAS 2.0 specification for your servant API | 
| servant-swagger-ui-0.3.4.3.23.11 | Servant swagger ui | 
| servant-swagger-ui-core-0.3.3 | Servant swagger ui core components | 
| servant-swagger-ui-redoc-0.3.3.1.22.3 | Servant swagger ui: ReDoc theme | 
| servant-websockets-2.0.0 | Small library providing WebSocket endpoints for servant | 
| servant-yaml-0.1.0.1 | Servant support for yaml | 
| serversession-1.0.1 | Secure, modular server-side sessions | 
| serversession-frontend-wai-1.0 | wai-session bindings for serversession | 
| ses-html-0.4.0.0 | Send HTML formatted emails using Amazon's SES REST API with blaze | 
| set-cover-0.1 | Solve exact set cover problems like Sudoku, 8 Queens, Soma Cube, Tetris Cube | 
| setenv-0.1.1.3 | A cross-platform library for setting environment variables | 
| setlocale-1.0.0.9 | Haskell bindings to setlocale | 
| SHA-1.6.4.4 | Implementations of the SHA suite of message digest functions | 
| shake-0.18.5 | Build system library, like Make, but more accurate dependencies | 
| shakespeare-2.0.24 | A toolkit for making compile-time interpolated templates | 
| shared-memory-0.2.0.0 | POSIX shared memory | 
| shell-conduit-4.7.0 | Write shell scripts with Conduit | 
| shell-escape-0.2.0 | Shell escaping library | 
| shellmet-0.0.3.0 | Out of the shell solution for scripting in Haskell | 
| shelltestrunner-1.9 | Easy, repeatable testing of CLI programs/commands | 
| shell-utility-0.0 | Utility functions for writing command-line programs | 
| shelly-1.9.0 | shell-like (systems) programming in Haskell | 
| should-not-typecheck-2.1.0 | A HUnit/hspec assertion library to verify that an expression does not typecheck | 
| show-combinators-0.1.1.0 | Combinators to write Show instances | 
| siggy-chardust-1.0.0 | Rounding rationals to significant digits and decimal places | 
| signal-0.1.0.4 | Multiplatform signal support for Haskell | 
| silently-1.2.5.1 | Prevent or capture writing to stdout and other handles | 
| simple-affine-space-0.1 | A simple library for affine and vector spaces | 
| simple-cabal-0.1.1 | Cabal file wrapper library | 
| simple-cmd-0.2.1 | Simple String-based process commands | 
| simple-cmd-args-0.1.5 | Simple command args parsing and execution | 
| simple-log-0.9.12 | Simple log for Haskell | 
| simple-reflect-0.3.3 | Simple reflection of expressions containing variables | 
| simple-sendfile-0.2.30 | Cross platform library for the sendfile system call | 
| simplest-sqlite-0.1.0.2 | Simplest SQLite3 binding | 
| simple-templates-0.9.0.0 | A basic template language for the Simple web framework | 
| simple-vec3-0.6 | Three-dimensional vectors of doubles with basic operations | 
| simplistic-generics-0.1.0.0 | Generic programming without too many type classes | 
| since-0.0.0 | Get the number of seconds since the last invocation | 
| singleton-bool-0.1.5 | Type level booleans | 
| singleton-nats-0.4.3 | Unary natural numbers relying on the singletons infrastructure | 
| singletons-2.6 | A framework for generating singleton types | 
| siphash-1.0.3 | siphash: a fast short input PRF | 
| sitemap-gen-0.1.0.0 | Generate XML Sitemaps & Sitemap Indexes | 
| size-based-0.1.2.0 | Sized functors, for size-based enumerations | 
| skein-1.0.9.4 | Skein, a family of cryptographic hash functions. Includes Skein-MAC as well | 
| skip-var-0.1.1.0 | Skip variables | 
| skylighting-0.8.3.2 | syntax highlighting library | 
| skylighting-core-0.8.3.2 | syntax highlighting library | 
| slist-0.1.0.0 | Sized list | 
| small-bytearray-builder-0.3.2.0 | Serialize to a small byte arrays | 
| smallcheck-1.1.5 | A property-based testing library | 
| smoothie-0.4.2.10 | Smooth curves via several interpolation modes | 
| snap-blaze-0.2.1.5 | blaze-html integration for Snap | 
| snap-core-1.0.4.1 | Snap: A Haskell Web Framework (core interfaces and types) | 
| snap-server-1.1.1.1 | A web server for the Snap Framework | 
| snowflake-0.1.1.1 | A loose port of Twitter Snowflake to Haskell. Generates arbitrary precision, unique, time-sortable identifiers | 
| soap-0.2.3.6 | SOAP client tools | 
| soap-tls-0.1.1.4 | TLS-enabled SOAP transport (using tls package) | 
| socks-0.6.1 | Socks proxy (ver 5) | 
| some-1.0.1 | Existential type: Some | 
| sop-core-0.5.0.0 | True Sums of Products | 
| sort-1.0.0.0 | A Haskell sorting toolkit | 
| sorted-list-0.2.1.0 | Type-enforced sorted lists and related functions | 
| sourcemap-0.1.6 | Implementation of source maps as proposed by Google and Mozilla | 
| sox-0.2.3.1 | Play, write, read, convert audio signals using Sox | 
| soxlib-0.0.3.1 | Write, read, convert audio signals using libsox | 
| sparse-linear-algebra-0.3.1 | Numerical computing in native Haskell | 
| spatial-math-0.5.0.1 | 3d math including quaternions/euler angles/dcms and utility functions | 
| special-values-0.1.0.0 | Typeclass providing special values | 
| speculate-0.4.1 | discovery of properties about Haskell functions | 
| speedy-slice-0.3.0 | Speedy slice sampling | 
| Spintax-0.3.3 | Random text generation based on spintax | 
| splice-0.6.1.1 | Cross-platform Socket to Socket Data Splicing | 
| split-0.2.3.3 | Combinator library for splitting lists | 
| splitmix-0.0.3 | Fast Splittable PRNG | 
| spoon-0.3.1 | Catch errors thrown from pure computations | 
| spreadsheet-0.1.3.8 | Read and write spreadsheets from and to CSV files in a lazy way | 
| sql-words-0.1.6.3 | SQL keywords data constructors into OverloadedString | 
| srcloc-0.5.1.2 | Data types for managing source code locations | 
| stache-2.1.0 | Mustache templates for Haskell | 
| starter-0.3.0 | Develop applications without restarts | 
| stateref-0.3 | Abstraction for things that work like IORef | 
| statestack-0.3 | Simple State-like monad transformer with saveable and restorable state | 
| StateVar-1.2 | State variables | 
| statistics-0.15.2.0 | A library of statistical types, data, and functions | 
| stb-image-redux-0.2.1.3 | Image loading and writing microlibrary | 
| step-function-0.2 | Staircase functions or piecewise constant functions | 
| stm-2.5.0.0 | Software Transactional Memory | 
| stm-chans-3.0.0.4 | Additional types of channels for STM | 
| stm-conduit-4.0.1 | Introduces conduits to channels, and promotes using conduits concurrently | 
| stm-containers-1.1.0.4 | Containers for STM | 
| stm-delay-0.1.1.1 | Updatable one-shot timer polled with STM | 
| stm-extras-0.1.0.3 | Extra STM functions | 
| stm-hamt-1.2.0.4 | STM-specialised Hash Array Mapped Trie | 
| stm-split-0.0.2.1 | TMVars, TVars and TChans with distinguished input and output side | 
| stopwatch-0.1.0.6 | A simple stopwatch utility | 
| storable-complex-0.2.3.0 | Storable instance for Complex | 
| storable-record-0.0.4.1 | Elegant definition of Storable instances for records | 
| storable-tuple-0.0.3.3 | Storable instance for pairs and triples | 
| storablevector-0.2.13 | Fast, packed, strict storable arrays with a list interface like ByteString | 
| stratosphere-0.49.0 | EDSL for AWS CloudFormation | 
| streaming-0.2.3.0 | an elementary streaming prelude and general stream type | 
| streaming-bytestring-0.1.6 | effectful byte steams, or: bytestring io done right | 
| streaming-commons-0.2.1.2 | Common lower-level functions needed by various streaming data libraries | 
| streamly-0.7.0 | Beautiful Streaming, Concurrent and Reactive Composition | 
| streams-3.3 | Various Haskell 2010 stream comonads | 
| strict-0.3.2 | Strict data types and String IO | 
| strict-base-types-0.6.1 | Strict variants of the types provided in base | 
| strict-concurrency-0.2.4.3 | Strict concurrency abstractions | 
| strict-list-0.1.5 | Strict linked list | 
| stringbuilder-0.5.1 | A writer monad for multi-line string literals | 
| string-class-0.1.7.0 | String class library | 
| string-combinators-0.6.0.5 | Polymorphic functions to build and combine stringlike values | 
| string-conv-0.1.2 | Standardized conversion between string types | 
| string-conversions-0.4.0.1 | Simplifies dealing with different types for strings | 
| string-qq-0.0.4 | QuasiQuoter for non-interpolated strings, texts and bytestrings | 
| stringsearch-0.3.6.6 | Fast searching, splitting and replacing of ByteStrings | 
| string-transform-1.1.1 | simple and easy haskell string transform wrapper | 
| stripe-concepts-1.0.2.0 | Types for the Stripe API | 
| stripe-signature-1.0.0.1 | Verification of Stripe webhook signatures | 
| strive-5.0.9 | A client for the Strava V3 API | 
| structs-0.1.3 | Strict GC'd imperative object-oriented programming with cheap pointers | 
| structured-cli-2.5.2.0 | Application library for building interactive console CLIs | 
| stylish-haskell-0.10.0.0 | Haskell code prettifier | 
| sum-type-boilerplate-0.1.1 | Library for reducing the boilerplate involved with sum types | 
| sundown-0.6 | Bindings to the sundown markdown library | 
| superbuffer-0.3.1.1 | Efficiently build a bytestring from smaller chunks | 
| svg-builder-0.1.1 | DSL for building SVG | 
| SVGFonts-1.7.0.1 | Fonts from the SVG-Font format | 
| svg-tree-0.6.2.4 | SVG file loader and serializer | 
| swagger-0.3.0 | Implementation of swagger data model | 
| swagger2-2.5 | Swagger 2.0 data model | 
| syb-0.7.1 | Scrap Your Boilerplate | 
| symbol-0.2.4 | A 'Symbol' type for fast symbol comparison | 
| symengine-0.1.2.0 | SymEngine symbolic mathematics engine for Haskell | 
| sysinfo-0.1.1 | Haskell Interface for getting overall system statistics | 
| system-argv0-0.1.1 | Get argv[0] as a FilePath | 
| system-fileio-0.3.16.4 | Consistent filesystem interaction across GHC versions (deprecated) | 
| system-filepath-0.4.14 | High-level, byte-based file and directory path manipulations (deprecated) | 
| system-info-0.5.1 | Get the name of the operating system | 
| tabular-0.2.2.7 | Two-dimensional data tables with rendering functions | 
| tagchup-0.4.1.1 | alternative package for processing of tag soups | 
| tagged-0.8.6 | Haskell 98 phantom types to avoid unsafely passing dummy arguments | 
| tagged-binary-0.2.0.1 | Provides tools for serializing data tagged with type information | 
| tagged-identity-0.1.3 | Trivial monad transformer that allows identical monad stacks have different types | 
| tagged-transformer-0.8.1 | Monad transformer carrying an extra phantom type tag | 
| tagshare-0.0 | TagShare - explicit sharing with tags | 
| tagsoup-0.14.8 | Parsing and extracting information from (possibly malformed) HTML/XML documents | 
| tao-1.0.0 | Type-level assertion operators | 
| tao-example-1.0.0 | Example usage of the tao package | 
| tar-0.5.1.1 | Reading, writing and manipulating ".tar" archive files | 
| tar-conduit-0.3.2 | Extract and create tar files using conduit for streaming | 
| tardis-0.4.1.0 | Bidirectional state monad transformer | 
| tasty-1.2.3 | Modern and extensible testing framework | 
| tasty-ant-xml-1.1.6 | Render tasty output to XML for Jenkins | 
| tasty-dejafu-2.0.0.1 | Deja Fu support for the Tasty test framework | 
| tasty-discover-4.2.1 | Test discovery for the tasty framework | 
| tasty-expected-failure-0.11.1.2 | Mark tasty tests as failure expected | 
| tasty-golden-2.3.2 | Golden tests support for tasty | 
| tasty-hedgehog-1.0.0.2 | Integration for tasty and hedgehog | 
| tasty-hspec-1.1.5.1 | Hspec support for the Tasty test framework | 
| tasty-hunit-0.10.0.2 | HUnit support for the Tasty test framework | 
| tasty-kat-0.0.3 | Known Answer Tests (KAT) framework for tasty | 
| tasty-leancheck-0.0.1 | LeanCheck support for the Tasty test framework | 
| tasty-lua-0.2.2 | Write tests in Lua, integrate into tasty | 
| tasty-program-1.0.5 | Use tasty framework to test whether a program executes correctly | 
| tasty-quickcheck-0.10.1.1 | QuickCheck support for the Tasty test framework | 
| tasty-rerun-1.1.17 | Rerun only tests which failed in a previous test run | 
| tasty-silver-3.1.13 | A fancy test runner, including support for golden tests | 
| tasty-smallcheck-0.8.1 | SmallCheck support for the Tasty test framework | 
| tasty-th-0.1.7 | Automatic tasty test case discovery using TH | 
| tasty-wai-0.1.1.0 | Test 'wai' endpoints via Test.Tasty | 
| Taxonomy-2.1.0 | Libary for parsing, processing and vizualization of taxonomy data | 
| TCache-0.12.1 | A Transactional cache with user-defined persistence | 
| tce-conf-1.3 | Very simple config file reading | 
| tdigest-0.2.1 | On-line accumulation of rank-based statistics | 
| template-haskell-2.15.0.0 | Support library for Template Haskell | 
| template-haskell-compat-v0208-0.1.2.1 | A backwards compatibility layer for Template Haskell newer than 2.8 | 
| temporary-1.3 | Portable temporary file and directory support | 
| temporary-rc-1.2.0.3 | Portable temporary file and directory support for Windows and Unix, based on code from Cabal | 
| temporary-resourcet-0.1.0.1 | Portable temporary files and directories with automatic deletion | 
| tensorflow-test-0.1.0.0 | Some common functions for test suites | 
| tensors-0.1.4 | Tensor in Haskell | 
| terminal-progress-bar-0.4.1 | A progress bar in the terminal | 
| terminal-size-0.3.2.1 | Get terminal window height and width | 
| terminfo-0.4.1.4 | Haskell bindings to the terminfo library | 
| test-framework-0.8.2.0 | Framework for running and organising tests, with HUnit and QuickCheck support | 
| test-framework-hunit-0.3.0.2 | HUnit support for the test-framework package | 
| test-framework-leancheck-0.0.1 | LeanCheck support for test-framework | 
| test-framework-quickcheck2-0.3.0.5 | QuickCheck-2 support for the test-framework package | 
| test-framework-smallcheck-0.2 | Support for SmallCheck tests in test-framework | 
| test-framework-th-0.2.4 | Automagically generate the HUnit- and Quickcheck-bulk-code using Template Haskell | 
| testing-feat-1.1.0.0 | Functional Enumeration of Algebraic Types | 
| testing-type-modifiers-0.1.0.1 | Data type modifiers for property based testing | 
| texmath-0.12 | Conversion between formats used to represent mathematics | 
| text-1.2.4.0 | An efficient packed Unicode text type | 
| text-binary-0.2.1.1 | Binary instances for text types | 
| text-builder-0.6.6.1 | An efficient strict text builder | 
| text-conversions-0.3.0 | Safe conversions between textual types | 
| text-icu-0.7.0.1 | Bindings to the ICU library | 
| text-latin1-0.3.1 | Latin-1 (including ASCII) utility functions | 
| text-ldap-0.1.1.13 | Parser and Printer for LDAP text data stream | 
| textlocal-0.1.0.5 | Haskell wrapper for textlocal SMS gateway | 
| text-manipulate-0.2.0.1 | Case conversion, word boundary manipulation, and textual subjugation | 
| text-metrics-0.3.0 | Calculate various string metrics efficiently | 
| text-postgresql-0.0.3.1 | Parser and Printer of PostgreSQL extended types | 
| text-printer-0.5.0.1 | Abstract interface for text builders/printers | 
| text-region-0.3.1.0 | Marking text regions | 
| text-short-0.1.3 | Memory-efficient representation of Unicode text strings | 
| text-show-3.8.4 | Efficient conversion of values into Text | 
| text-show-instances-3.8.3 | Additional instances for text-show | 
| text-zipper-0.10.1 | A text editor zipper library | 
| tfp-1.0.1.1 | Type-level integers, booleans, lists using type families | 
| tf-random-0.5 | High-quality splittable pseudorandom number generator | 
| th-abstraction-0.3.2.0 | Nicer interface for reified information about data types | 
| th-data-compat-0.1.0.0 | Compatibility for data definition template of TH | 
| th-desugar-1.10 | Functions to desugar Template Haskell | 
| these-1.0.1 | An either-or-both data type | 
| these-lens-1 | Lenses for These | 
| these-optics-1 | Optics for These | 
| th-expand-syns-0.4.5.0 | Expands type synonyms in Template Haskell ASTs | 
| th-extras-0.0.0.4 | A grab bag of functions for use with Template Haskell | 
| th-lift-0.8.1 | Derive Template Haskell's Lift class for datatypes | 
| th-lift-instances-0.1.14 | Lift instances for template-haskell for common data types | 
| th-orphans-0.13.9 | Orphan instances for TH datatypes | 
| th-printf-0.7 | Quasiquoters for printf | 
| thread-hierarchy-0.3.0.1 | Simple Haskel thread management in hierarchical manner | 
| thread-local-storage-0.2 | Several options for thread-local-storage (TLS) in Haskell | 
| threads-0.5.1.6 | Fork threads and wait for their result | 
| threepenny-gui-0.8.3.1 | GUI framework that uses the web browser as a display | 
| th-reify-compat-0.0.1.5 | Compatibility for the result type of TH reify | 
| th-reify-many-0.1.9 | Recurseively reify template haskell datatype info | 
| throttle-io-stream-0.2.0.1 | Throttler between arbitrary IO producer and consumer functions | 
| throwable-exceptions-0.1.0.9 | throwable-exceptions gives the easy way to throw exceptions | 
| th-strict-compat-0.1.0.1 | Compatibility shim for Bang and Strict in Template Haskell | 
| th-test-utils-1.0.1 | Utility functions for testing Template Haskell code | 
| thyme-0.3.5.5 | A faster time library | 
| tidal-1.4.8 | Pattern language for improvised music | 
| tile-0.3.0.0 | Slippy map tile functionality | 
| time-1.9.3 | A time library | 
| time-compat-1.9.2.2 | Compatibility package for time | 
| timeit-2.0 | Time monadic computations with an IO base | 
| time-lens-0.4.0.2 | Lens-based interface to Data.Time data structures | 
| timelens-0.2.0.2 | Lenses for the time package | 
| time-locale-compat-0.1.1.5 | Compatibile module for time-format locale | 
| time-locale-vietnamese-1.0.0.0 | Vietnamese locale for date and time format | 
| time-manager-0.0.0 | Scalable timer | 
| time-parsers-0.1.2.1 | Parsers for types in `time` | 
| timerep-2.0.0.2 | Parse and display time according to some RFCs (RFC3339, RFC2822, RFC822) | 
| timezone-olson-0.1.9 | A pure Haskell parser and renderer for binary Olson timezone files | 
| timezone-series-0.1.9 | Enhanced timezone handling for Data.Time | 
| tinylog-0.15.0 | Simplistic logging using fast-logger | 
| titlecase-1.0.1 | Convert English Words to Title Case | 
| tldr-0.6.2 | Haskell tldr client | 
| tls-1.5.3 | TLS/SSL protocol native implementation (Server and Client) | 
| tls-debug-0.4.8 | Set of programs for TLS testing and debugging | 
| tls-session-manager-0.0.4 | In-memory TLS session manager | 
| tmapchan-0.0.3 | An insert-ordered multimap (indexed FIFO) which consumes values as you lookup | 
| tmapmvar-0.0.4 | A single-entity stateful Map in STM, similar to tmapchan | 
| tmp-postgres-1.34.1.0 | Start and stop a temporary postgres | 
| tomland-1.2.1.0 | Bidirectional TOML serialization | 
| tonalude-0.1.1.0 | A standard library for Tonatona framework | 
| topograph-1 | Directed acyclic graphs | 
| torsor-0.1 | Torsor Typeclass | 
| tostring-0.2.1.1 | The ToString class | 
| tracing-0.0.4.0 | Distributed tracing | 
| transaction-0.1.1.3 | Monadic representation of transactions | 
| transformers-0.5.6.2 | Concrete functor and monad transformers | 
| transformers-base-0.4.5.2 | Lift computations from the bottom of a transformer stack | 
| transformers-bifunctors-0.1 | Bifunctors over monad transformers | 
| transformers-compat-0.6.5 | A small compatibility shim for the transformers library | 
| transformers-fix-1.0 | Monad transformer for evaluating to a fixpoint | 
| traverse-with-class-1.0.1.0 | Generic applicative traversals | 
| tree-diff-0.1 | Diffing of (expression) trees | 
| tree-fun-0.8.1.0 | Library for functions pertaining to tree exploration and manipulation | 
| trifecta-2.1 | A modern parser combinator library with convenient diagnostics | 
| triplesec-0.2.2.1 | TripleSec is a simple, triple-paranoid, symmetric encryption library | 
| trivial-constraint-0.6.0.0 | Constraints that any type, resp. no type fulfills | 
| tsv2csv-0.1.0.2 | Convert tsv to csv | 
| ttc-0.2.0.0 | Textual Type Classes | 
| ttl-hashtables-1.4.1.0 | Extends hashtables so that entries added can be expired after a TTL | 
| ttrie-0.1.2.1 | Contention-free STM hash map | 
| tuple-0.3.0.2 | Various functions on tuples | 
| tuples-homogenous-h98-0.1.1.0 | Wrappers for n-ary tuples with Traversable and Applicative/Monad instances | 
| tuple-sop-0.3.1.0 | functions on n-ary tuples using generics-sop | 
| tuple-th-0.2.5 | Generate (non-recursive) utility functions for tuples of statically known size | 
| turtle-1.5.16 | Shell programming, Haskell-style | 
| TypeCompose-0.9.14 | Type composition classes & instances | 
| typed-process-0.2.6.0 | Run external processes, with strong typing of streams | 
| type-equality-1 | Data.Type.Equality compat package | 
| type-errors-0.2.0.0 | Tools for writing better type errors | 
| type-errors-pretty-0.0.1.0 | Combinators for writing pretty type errors easily | 
| type-fun-0.1.1 | Collection of widely reimplemented type families | 
| type-hint-0.1 | Guide type inference with proxy values | 
| type-level-integers-0.0.1 | Provides integers lifted to the type level | 
| type-level-kv-list-1.1.0 | A module for hash map like object with type level keys | 
| type-level-numbers-0.1.1.1 | Type level numbers implemented using type families | 
| type-map-0.1.6.0 | Type-indexed maps | 
| typenums-0.1.2.1 | Type level numbers using existing Nat functionality | 
| type-of-html-1.5.1.0 | High performance type driven html generation | 
| type-of-html-static-0.1.0.2 | Optimize static parts of type-of-html | 
| type-operators-0.2.0.0 | Various type-level operators | 
| typerep-map-0.3.2 | Efficient implementation of a dependent map with types as keys | 
| type-spec-0.4.0.0 | Type Level Specification by Example | 
| tzdata-0.1.20190911.0 | Time zone database (as files and as a module) | 
| ua-parser-0.7.5.1 | A library for parsing User-Agent strings, official Haskell port of ua-parser | 
| uglymemo-0.1.0.1 | A simple (but internally ugly) memoization function | 
| unagi-chan-0.4.1.3 | Fast concurrent queues with a Chan-like API, and more | 
| unbounded-delays-0.1.1.0 | Unbounded thread delays and timeouts | 
| unboxed-ref-0.4.0.0 | Fast unboxed references for ST and IO monad | 
| unboxing-vector-0.1.1.0 | A newtype-friendly variant of unboxed vectors | 
| uncertain-0.3.1.0 | Manipulating numbers with inherent experimental/measurement uncertainty | 
| unconstrained-0.1.0.2 | Null constraint | 
| unicode-0.0.1.1 | Construct and transform unicode characters | 
| unicode-show-0.1.0.4 | print and show in unicode | 
| unicode-transforms-0.3.6 | Unicode normalization | 
| unification-fd-0.10.0.1 | Simple generic unification algorithms | 
| union-find-0.2 | Efficient union and equivalence testing of sets | 
| uniplate-1.6.12 | Help writing simple, concise and fast generic operations | 
| uniprot-kb-0.1.2.0 | UniProt-KB format parser | 
| uniq-deep-1.2.0 | uniq-deep | 
| unique-0 | Fully concurrent unique identifiers | 
| unique-logic-0.4 | Solve simple simultaneous equations | 
| unique-logic-tf-0.5.1 | Solve simple simultaneous equations | 
| unit-constraint-0.0.0 | Extremely simple typeclass | 
| universe-1.2 | A class for finite and recursively enumerable types | 
| universe-base-1.1.1 | A class for finite and recursively enumerable types | 
| universe-instances-base-1.1 | Universe instances for types from the base package | 
| universe-instances-extended-1.1.1 | Universe instances for types from selected extra packages | 
| universe-instances-trans-1.1 | Universe instances for types from the transformers and mtl packages | 
| universe-reverse-instances-1.1 | Instances of standard classes that are made possible by enumerations | 
| universe-some-1.2 | Universe instances for Some from some | 
| universum-1.6.1 | Custom prelude used in Serokell | 
| unix-2.7.2.2 | POSIX functionality | 
| unix-bytestring-0.3.7.3 | Unix/Posix-specific functions for ByteStrings | 
| unix-compat-0.5.2 | Portable POSIX-compatibility layer | 
| unix-time-0.4.7 | Unix time parser/formatter and utilities | 
| unliftio-0.2.12 | The MonadUnliftIO typeclass for unlifting monads to IO (batteries included) | 
| unliftio-core-0.1.2.0 | The MonadUnliftIO typeclass for unlifting monads to IO | 
| unliftio-pool-0.2.1.0 | Data.Pool generalized to MonadUnliftIO | 
| unlit-0.4.0.0 | Tool to convert literate code between styles or to code | 
| unordered-containers-0.2.10.0 | Efficient hashing-based container types | 
| unordered-intmap-0.1.1 | A specialization of `HashMap Int v` | 
| unsafe-0.0 | Unified interface to unsafe functions | 
| urbit-hob-0.3.1 | Hoon-style atom manipulation and printing functions | 
| uri-bytestring-0.3.2.2 | Haskell URI parsing as ByteStrings | 
| uri-bytestring-aeson-0.1.0.7 | Aeson instances for URI Bytestring | 
| uri-encode-1.5.0.5 | Unicode aware uri-encoding | 
| url-2.1.3 | A library for working with URLs | 
| urlpath-9.0.1 | Painfully simple URL deployment | 
| users-0.5.0.0 | A library simplifying user management for web applications | 
| utf8-light-0.4.2 | Unicode | 
| utf8-string-1.0.1.1 | Support for reading and writing UTF8 Strings | 
| util-0.1.17.1 | Utilities | 
| utility-ht-0.0.14 | Various small helper functions for Lists, Maybes, Tuples, Functions | 
| uuid-1.3.13 | For creating, comparing, parsing and printing Universally Unique Identifiers | 
| uuid-types-1.0.3 | Type definitions for Universally Unique Identifiers | 
| validation-1.1 | A data-type like Either but with an accumulating Applicative | 
| validity-0.9.0.2 | Validity typeclass | 
| validity-aeson-0.2.0.2 | Validity instances for aeson | 
| validity-bytestring-0.4.1.0 | Validity instances for bytestring | 
| validity-containers-0.5.0.0 | Validity instances for containers | 
| validity-path-0.4.0.0 | Validity instances for Path | 
| validity-scientific-0.2.0.2 | Validity instances for scientific | 
| validity-text-0.3.1.0 | Validity instances for text | 
| validity-time-0.2.0.2 | Validity instances for time | 
| validity-unordered-containers-0.2.0.2 | Validity instances for unordered-containers | 
| validity-uuid-0.1.0.2 | Validity instances for uuid | 
| validity-vector-0.2.0.2 | Validity instances for vector | 
| valor-0.1.0.0 | Simple general structured validation library | 
| vault-0.3.1.3 | a persistent store for values of arbitrary types | 
| vec-0.3 | Vec: length-indexed (sized) list | 
| vector-0.12.1.2 | Efficient Arrays | 
| vector-algorithms-0.8.0.3 | Efficient algorithms for vector arrays | 
| vector-binary-instances-0.2.5.1 | Instances of Data.Binary for vector | 
| vector-buffer-0.4.1 | A buffer compatible with Data.Vector.* | 
| vector-builder-0.3.8 | Vector builder | 
| vector-bytes-instances-0.1.1 | Serial (from the bytes package) for Vector (from the vector package) | 
| vector-instances-3.4 | Orphan Instances for 'Data.Vector' | 
| vector-mmap-0.0.3 | Memory map immutable and mutable vectors | 
| vector-rotcev-0.1.0.0 | Vectors with O(1) reverse | 
| vector-sized-1.4.0.0 | Size tagged vectors | 
| vector-space-0.16 | Vector & affine spaces, linear maps, and derivatives | 
| vector-split-1.0.0.2 | Combinator library for splitting vectors | 
| vector-th-unbox-0.2.1.7 | Deriver for Data.Vector.Unboxed using Template Haskell | 
| verbosity-0.3.0.0 | Simple enum that encodes application verbosity | 
| versions-3.5.3 | Types and parsers for software version numbers | 
| vformat-0.14.1.0 | A Python str.format() like formatter | 
| vformat-aeson-0.1.0.1 | Extend vformat to Aeson datatypes | 
| vformat-time-0.1.0.0 | Extend vformat to time datatypes | 
| ViennaRNAParser-1.3.3 | Libary for parsing ViennaRNA package output | 
| void-0.7.3 | A Haskell 98 logically uninhabited data type | 
| vty-5.26 | A simple terminal UI library | 
| wai-3.2.2.1 | Web Application Interface | 
| wai-app-static-3.1.7.1 | WAI application for static serving | 
| wai-conduit-3.0.0.4 | conduit wrappers for WAI | 
| wai-cors-0.2.7 | CORS for WAI | 
| wai-enforce-https-0.0.1 | Enforce HTTPS in Wai server app safely | 
| wai-eventsource-3.0.0 | WAI support for server-sent events (deprecated) | 
| wai-extra-3.0.29 | Provides some basic WAI handlers and middleware | 
| wai-handler-launch-3.0.3.1 | Launch a web app in the default browser | 
| wai-logger-2.3.6 | A logging system for WAI | 
| wai-middleware-caching-0.1.0.2 | WAI Middleware to cache things | 
| wai-middleware-static-0.8.3 | WAI middleware that serves requests to static files | 
| wai-session-0.3.3 | Flexible session middleware for WAI | 
| wai-slack-middleware-0.2.0 | A Slack middleware for WAI | 
| wai-websockets-3.0.1.2 | Provide a bridge between WAI and the websockets package | 
| warp-3.3.9 | A fast, light-weight web server for WAI applications | 
| warp-tls-3.2.11 | HTTP over TLS support for Warp via the TLS package | 
| warp-tls-uid-0.2.0.6 | set group and user id before running server | 
| wave-0.2.0 | Work with WAVE and RF64 files | 
| wcwidth-0.0.2 | Native wcwidth | 
| webdriver-0.9.0.1 | a Haskell client for the Selenium WebDriver protocol | 
| webex-teams-api-0.2.0.0 | A Haskell bindings for Webex Teams API | 
| webex-teams-conduit-0.2.0.0 | Conduit wrapper of Webex Teams List API | 
| webex-teams-pipes-0.2.0.0 | Pipes wrapper of Webex Teams List API | 
| webrtc-vad-0.1.0.3 | Easy voice activity detection | 
| websockets-0.12.7.0 | A sensible and clean way to write WebSocket-capable servers in Haskell | 
| websockets-snap-0.10.3.1 | Snap integration for the websockets library | 
| weeder-1.0.8 | Detect dead code | 
| weigh-0.0.16 | Measure allocations of a Haskell functions/values | 
| wide-word-0.1.1.0 | Data types for large but fixed width signed and unsigned integers | 
| wikicfp-scraper-0.1.0.11 | Scrape WikiCFP web site | 
| wild-bind-0.1.2.5 | Dynamic key binding framework | 
| wild-bind-x11-0.2.0.9 | X11-specific implementation for WildBind | 
| Win32-2.6.1.0 | A binding to part of the Win32 library | 
| Win32-notify-0.3.0.3 | A binding to part of the Win32 library for file notification | 
| windns-0.1.0.1 | Domain Name Service (DNS) lookup via the <windns.h>/dnsapi.dll standard library | 
| with-location-0.1.0 | Use ImplicitParams-based source locations in a backward compatible way | 
| witness-0.4 | values that witness types | 
| wizards-1.0.3 | High level, generic library for interrogative user interfaces | 
| wl-pprint-annotated-0.1.0.1 | Pretty printer with annotation support | 
| wl-pprint-console-0.1.0.2 | Wadler/Leijen pretty printer supporting colorful console output | 
| wl-pprint-text-1.2.0.1 | A Wadler/Leijen Pretty Printer for Text values | 
| word24-2.0.1 | 24-bit word and int types for GHC | 
| word8-0.1.3 | Word8 library | 
| word-trie-0.3.0 | Implementation of a finite trie over words | 
| word-wrap-0.4.1 | A library for word-wrapping | 
| world-peace-1.0.1.0 | Open Union and Open Product Types | 
| wrap-0.0.0 | Wrap a function's return value with another function | 
| wreq-0.5.3.2 | An easy-to-use HTTP client library | 
| writer-cps-exceptions-0.1.0.1 | Control.Monad.Catch instances for the stricter CPS WriterT and RWST | 
| writer-cps-mtl-0.1.1.6 | MonadWriter orphan instances for writer-cps-transformers | 
| writer-cps-transformers-0.5.6.1 | WriteT and RWST monad transformers | 
| wuss-1.1.15 | Secure WebSocket (WSS) clients | 
| X11-1.9.1 | A binding to the X11 graphics library | 
| X11-xft-0.3.1 | Bindings to the Xft, X Free Type interface library, and some Xrender parts | 
| x11-xim-0.0.9.0 | A binding to the xim of X11 graphics library | 
| x509-1.7.5 | X509 reader and writer | 
| x509-store-1.6.7 | X.509 collection accessing and storing methods | 
| x509-system-1.6.6 | Handle per-operating-system X.509 accessors and storage | 
| x509-validation-1.6.11 | X.509 Certificate and CRL validation | 
| Xauth-0.1 | A binding to the X11 authentication library | 
| xdg-basedir-0.2.2 | A basic implementation of the XDG Base Directory specification | 
| xdg-userdirs-0.1.0.2 | Basic implementation of XDG user directories specification | 
| xeno-0.3.5.2 | A fast event-based XML parser in pure Haskell | 
| xhtml-3000.2.2.1 | An XHTML combinator library | 
| xls-0.1.2 | Parse Microsoft Excel xls files (BIFF/Excel 97-2004) | 
| xlsx-0.8.0 | Simple and incomplete Excel file parser/writer | 
| xlsx-tabular-0.2.2.1 | Xlsx table cell value extraction utility | 
| xml-1.3.14 | A simple XML library | 
| xml-basic-0.1.3.1 | Basics for XML/HTML representation and processing | 
| xml-conduit-1.9.0.0 | Pure-Haskell utilities for dealing with XML with the conduit package | 
| xml-conduit-writer-0.1.1.2 | Warm and fuzzy creation of XML documents | 
| xmlgen-0.6.2.2 | Fast XML generation library | 
| xml-hamlet-0.5.0.1 | Hamlet-style quasiquoter for XML content | 
| xml-html-qq-0.1.0.1 | Quasi-quoters for XML and HTML Documents | 
| xml-indexed-cursor-0.1.1.0 | Indexed XML cursors similar to 'Text.XML.Cursor' from xml-conduit | 
| xml-lens-0.2 | Lenses, traversals, and prisms for xml-conduit | 
| xml-picklers-0.3.6 | XML picklers based on xml-types, ported from hexpat-pickle | 
| xml-to-json-2.0.1 | Library and command line tool for converting XML files to json | 
| xml-to-json-fast-2.0.0 | Fast, light converter of xml to json capable of handling huge xml files | 
| xml-types-0.3.6 | Basic types for representing XML | 
| xmonad-0.15 | A tiling window manager | 
| xmonad-contrib-0.16 | Third party extensions for xmonad | 
| xmonad-extras-0.15.2 | Third party extensions for xmonad with wacky dependencies | 
| xss-sanitize-0.3.6 | sanitize untrusted HTML to prevent XSS attacks | 
| xturtle-0.2.0.0 | turtle like LOGO | 
| xxhash-ffi-0.2.0.0 | Bindings to the C implementation the xxHash algorithm | 
| yaml-0.11.2.0 | Support for parsing and rendering YAML documents | 
| yesod-1.6.0.1 | Creation of type-safe, RESTful web applications | 
| yesod-auth-1.6.8.1 | Authentication for Yesod | 
| yesod-auth-hashdb-1.7.1.2 | Authentication plugin for Yesod | 
| yesod-bin-1.6.0.4 | The yesod helper executable | 
| yesod-core-1.6.17.2 | Creation of type-safe, RESTful web applications | 
| yesod-form-1.6.7 | Form handling support for Yesod Web Framework | 
| yesod-gitrev-0.2.1 | A subsite for displaying git information | 
| yesod-newsfeed-1.7.0.0 | Helper functions and data types for producing News feeds | 
| yesod-persistent-1.6.0.4 | Some helpers for using Persistent from Yesod | 
| yesod-sitemap-1.6.0 | Generate XML sitemaps | 
| yesod-static-1.6.0.1 | Static file serving subsite for Yesod Web Framework | 
| yesod-test-1.6.9 | integration testing for WAI/Yesod Applications | 
| yesod-websockets-0.3.0.2 | WebSockets support for Yesod | 
| yes-precure5-command-5.5.3 | Extended yes command to reproduce phrases in Yes! Precure 5 | 
| yi-rope-0.11 | A rope data structure used by Yi | 
| yjsvg-0.2.0.1 | make SVG string from Haskell data | 
| yjtools-0.9.18 | some tools for Monad, List, Tuple and so on | 
| yoga-0.0.0.5 | Bindings to Facebook's Yoga layout library | 
| youtube-0.2.1.1 | Upload video to YouTube via YouTube API | 
| zasni-gerna-0.0.7.1 | lojban parser (zasni gerna) | 
| zero-0.1.5 | Semigroups with absorption | 
| zeromq4-haskell-0.8.0 | Bindings to ZeroMQ 4.x | 
| zeromq4-patterns-0.3.1.0 | Haskell implementation of several ZeroMQ patterns | 
| zim-parser-0.2.1.0 | Read and parse ZIM files | 
| zip-1.3.0 | Operations on zip archives | 
| zip-archive-0.4.1 | Library for creating and modifying zip archives | 
| zippers-0.3 | Traversal based zippers | 
| zip-stream-0.2.0.1 | ZIP archive streaming using conduits | 
| zlib-0.6.2.1 | Compression and decompression in the gzip and zlib formats | 
| zlib-bindings-0.1.1.5 | Low-level bindings to the zlib package | 
| zlib-lens-0.1.2.1 | Lenses for zlib | 
| zot-0.0.3 | Zot language | 
| zstd-0.1.1.2 | Haskell bindings to the Zstandard compression algorithm | 
