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-default-0.9.1.0 Apply default value to FromJSON instacnes' Maybe fields

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-0.10.3 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

apecs-0.9.0 Fast Entity-Component-System library for game programming

apecs-gloss-0.2.4 Simple gloss renderer for apecs

apecs-physics-0.4.4 2D physics for apecs

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

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

bech32-1.0.1 Implementation of the Bech32 cryptocurrency address format (BIP 0173)

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

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-0.52 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

bson-0.4.0.0 BSON documents are JSON-like objects with a standard binary encoding

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

byteorder-1.0.4 Exposes the native endianness or byte ordering of the system

byte-order-0.1.2.0 Portable big-endian and little-endian conversions

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-0.3.5.0 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

bz2-1.0.0.1 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

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

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-0.1.3.1 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

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-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

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

cursor-0.3.0.0 Purely Functional Cursors

cursor-gen-0.3.0.0 Generators for Purely Functional Cursors

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-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-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

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

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

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-1.30.0 A configuration language guaranteed to terminate

dhall-bash-1.0.28 Compile Dhall to Bash

dhall-json-1.6.2 Convert between Dhall and JSON or YAML

dhall-yaml-1.0.2 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-0.7.3 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

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

equational-reasoning-0.6.0.1 Proof assistant for Haskell using DataKinds & PolyKinds

erf-2.0.0.0 The error function, erf, and related functions

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-1.6.19 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-logger-3.0.1 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-0.1.0.1 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

fusion-plugin-0.1.1 GHC plugin to make stream fusion more predictable

fuzzcheck-0.1.1 A simple checker for stress testing monadic code

fuzzy-0.1.0.0 Filters a list based on a fuzzy string search

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-0.10.0.0 Testing utilities for the validity library

genvalidity-aeson-0.3.0.0 GenValidity support for aeson

genvalidity-bytestring-0.5.0.1 GenValidity support for ByteString

genvalidity-containers-0.8.0.2 GenValidity support for containers

genvalidity-criterion-0.0.0.0 Criterion benchmarks for generators

genvalidity-hspec-0.7.0.4 Standard spec's for GenValidity instances

genvalidity-hspec-aeson-0.3.1.1 Standard spec's for aeson-related instances

genvalidity-hspec-binary-0.2.0.4 Standard spec's for binary-related Instances

genvalidity-hspec-cereal-0.2.0.4 Standard spec's for cereal-related instances

genvalidity-hspec-hashable-0.2.0.5 Standard spec's for Hashable instances

genvalidity-hspec-optics-0.1.1.2 Standard spec's for lens

genvalidity-hspec-persistent-0.0.0.1 Standard spec's for persistent-related instances

genvalidity-path-0.3.0.4 GenValidity support for Path

genvalidity-property-0.5.0.1 Standard properties for functions on `Validity` types

genvalidity-scientific-0.2.1.1 GenValidity support for Scientific

genvalidity-text-0.7.0.2 GenValidity support for Text

genvalidity-time-0.3.0.0 GenValidity support for time

genvalidity-typed-uuid-0.0.0.1 Generators for Phantom-Typed version of UUID

genvalidity-unordered-containers-0.3.0.1 GenValidity support for unordered-containers

genvalidity-uuid-0.1.0.3 GenValidity support for UUID

genvalidity-vector-0.3.0.1 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-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

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-8.8.5.1 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

ghc-typelits-presburger-0.3.0.0 Presburger Arithmetic Solver for GHC Type-level natural numbers

ghost-buster-0.1.1.0 Existential type utilites

gi-atk-2.0.21 Atk bindings

gi-cairo-1.0.23 Cairo bindings

gi-dbusmenu-0.4.7 Dbusmenu bindings

gi-dbusmenugtk3-0.4.8 DbusmenuGtk bindings

gi-gdk-3.0.22 Gdk bindings

gi-gdkpixbuf-2.0.23 GdkPixbuf bindings

gi-gdkx11-3.0.9 GdkX11 bindings

gi-gio-2.0.25 Gio bindings

gi-glib-2.0.23 GLib bindings

gi-gobject-2.0.22 GObject bindings

gi-graphene-1.0.1 Graphene bindings

gi-gtk-3.0.32 Gtk bindings

gi-gtk-hs-0.3.8.1 A wrapper for gi-gtk, adding a few more idiomatic API parts on top

gingersnap-0.3.1.0 Consistent and safe JSON APIs with snap-core and (by default) postgresql-simple

gi-pango-1.0.22 Pango bindings

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

gi-xlib-2.0.8 xlib bindings

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

gloss-1.13.1.1 Painless 2D vector graphics, animations and simulations

gloss-rendering-1.13.1.1 Gloss picture data types and rendering functions

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

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

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-0.10.1 Bitcoin & Bitcoin Cash library for Haskell

haskoin-node-0.9.16 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-fn-1.0 Function generation for `hedgehog`

hedgehog-quickcheck-0.1.1 Use QuickCheck generators in Hedgehog and vice versa

hedis-0.12.11 Client library for the Redis datastore: supports full command set, pipelining

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

hkgr-0.2.4.1 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-2.2.11 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-0.1.3.0 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

hpc-codecov-0.1.0.0 Generate codecov report from hpc data

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

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-0.5.0.0 Create Vega-Lite visualizations (version 4) 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-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-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-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

hyraxAbif-0.2.3.21 Modules for parsing, generating and manipulating AB1 files

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

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-1.7.1.2 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

integer-roots-1.0 Integer roots and perfect powers

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-0.2.0.0 Library to parse and execute JSONPath

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

junit-xml-0.1.0.0 Producing JUnit-style XML test reports

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

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

kubernetes-webhook-haskell-0.2.0.0 Create Kubernetes Admission Webhooks in Haskell

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-avro-0.1.0.0 Language definition and parser for AVRO files

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

learn-physics-0.6.5 Haskell code for learning physics

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

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-0.10.0.5 Run lifted IO operations asynchronously and wait for their results

lifted-base-0.2.3.12 lifted IO operations from the base library

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)

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-0.2.0.0 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

membrain-0.0.0.1 Type-safe memory units

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

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

miso-1.4.0.0 A tasty Haskell front-end framework

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

mongoDB-2.7.0.0 Driver (client) for MongoDB, a free, scalable, fast, document DBMS

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-0.1.4.0 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-simple-0.4.5 Simple network sockets usage patterns

network-simple-tls-0.4 Simple interface to TLS secured network sockets

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

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

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-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

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-2.10.5.2 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-2.10.6.2 Backend for the persistent library using sqlite3

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-network-0.6.5 Use network sockets together with the pipes library

pipes-network-tls-0.4 TLS-secured network connections support for pipes

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

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-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

prettyclass-1.0.0.0 Pretty printing class similar to Show

pretty-class-1.0.1.1 Pretty printing class similar to Show

pretty-hex-1.1 A library for hex dumps of ByteStrings

prettyprinter-1.6.1 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-relative-time-0.2.0.0 Pretty relative time

pretty-show-1.10 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

profiterole-0.1 Restructure GHC profile reports

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-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