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ac-vector-fancy

accelerate-cuda

action-permutations

Execute a set of actions (e.g. parsers) in each possible order

Actors with multi-headed receive clauses

A lexical analyser generator for Haskell

allocated-processor

A binding for the OpenAL Utility Toolkit

Simple ANSI terminal support, with Windows compatibility

The Wadler/Leijen Pretty Printer for colored ANSI terminal output

Interface for DBM-like database systems

Arrow classes and transformers

Fast combinator parsing with Data.ByteString.Lazy

attoparsec-binary

attoparsec-conduit

attoparsec-enumerator

attoparsec-iteratee

An adapter to convert attoparsec Parsers into blazing-fast Iteratees

A Haskell FFI wrapper for the Augeas API

authenticate-kerberos

authenticate-oauth

Balanced binary trees using the AVL algorithm.

base-unicode-symbols

base16-bytestring

base64-bytestring

Base64 implementation for String's.

Parser and printer for bencoded data.

Bidirectional mapping between two key types

Binary serialisation for Haskell values using lazy ByteStrings

binary-communicator

Sharing for the binary package

Binary deserialisation using strict ByteStrings

bindings-libzip

A module to aid in the (de)serialisation of binary data

A set data structure with approximate searching

blaze-builder-conduit

blaze-builder-enumerator

Almost but not quite entirely unlike FRP

bytestring-lexing

Parse literals efficiently from bytestrings

bytestring-mmap

bytestring-nums

bytestring-show

bytestring-trie

Compression and decompression in the bzip2 format

C->Haskell FFI tool that gives some cross-language type safety

Haskell Common Architecture for Building Applications and Libraries

The command-line interface for Cabal and Hackage.

canonical-filepath

case-insensitive

category-extras

Various modules and constructs inspired by category theory

Ways to write a file cautiously, to reduce the chances of problems such as data loss due to crashes or power failures

Delimited continuations and dynamically scoped variables

A library for generating 2D Charts and Plots

For testing partial and infinite values.

Check properties on standard classes and data structures.

A Citation Style Language implementation in Haskell

Library for classification of media files.

classy-prelude-conduit

A CSS preprocessor

Command line argument processing

codec-compression-lzf

LZF compression bindings.

codec-image-devil

Useful standard collections types and related functions.

thread-friendly file locks that don't block the entire program

colorize-haskell

Highligt Haskell source

A model for human colour/color perception

comonad-transformers

compact-string-fix

concrete-typerep

concurrent-extra

concurrent-split

concurrentoutput

Configuration file reading & writing

containers-unicode-symbols

control-monad-loop

control-timeout

Timeout handling

Typeclasses and instances for converting between types

An algebraic data type similar to Prelude Ordering.

A liberalised re-implementation of cpp, the C pre-processor.

A haskell binding to cracklib

Robust, reliable performance measurement and analysis

The Haskell Cryptographic Library

crypto-pubkey-types

crypto-random-api

cryptohash-cryptoapi

CSV loader and dumper

Haskell binding to libcurl

Utilities for accessing and manipulating fields of records

data-accessor-monads-fd

Use Accessor to access state in monads-fd State monad class

data-accessor-mtl

data-accessor-template

Utilities for accessing and manipulating fields of records

data-accessor-transformers

data-binary-ieee754

A class for types with a default value

data-default-class

data-default-instances-base

data-default-instances-containers

data-default-instances-dlist

data-default-instances-old-locale

data-lens-ixset

data-lens-template

data-memocombinators

Data encoding library

Utilities to make Data.Time.* easier to use.

Fully evaluate data structures

A program and library to derive instances for data types

diagrams-contrib

O(ND) diff algorithm in haskell.

Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now.

digestive-functors

digestive-functors-blaze

digestive-functors-happstack

digestive-functors-snap

Statically checked physical dimensions.

directory-layout

distributed-process

distributed-process-simplelocalnet

distributed-static

Differences lists

double-conversion

Preprocessor for automatic derivation of Haskell class instances

Bindings to the editline library (libedit).

A library for various character encodings

The error function, erf, and friends

A network analysis toolkit for Haskell

exception-transformers

executable-path

A Haskell binding to a subset of libexif

explicit-exception

extensible-exceptions

Extensible exceptions

A Haskell library for writing FastCGI programs

Forward error correction of ByteStrings

Interfacing with RSS (v 0.9x, 2.x, 1.0) + Atom feeds.

A functional graph library for Haskell.

Expressive file and directory manipulation for Haskell.

Library for manipulating FilePath's in a cross platform way.

Interface for versioning file stores.

filesystem-conduit

Generic finger-tree structure, with example instances

Wrapper for flock(2)

fluent-logger-conduit

A parser generator for Haskell

FTP Client and Server Library

Haskell front-end to Functional MetaPost

A Haskell binding to a subset of the GD graphics library

generic-deriving

Marshalling Haskell values to/from XML

A language for Generic Programming

Display GHC's core and assembly output in a pager

Library and tool for parsing .eventlog files from GHC

An mtl compatible version of the Ghc-Api monads and monad-transformers.

Knowledge of GHC's installation directories

The Glasgow Haskell Compiler

ghc-testsuite-darcs

The Glasgow Haskell Compiler

A binding for GLFW, An OpenGL Framework

Globbing library

GLUT bindings for haskell

googletranslate

Graph-Theoretic Analysis library.

Graphviz bindings for Haskell.

Find the url of the gravatar associated with an email address.

groundhog-postgresql

groundhog-sqlite

gtk-serialized-event

gtk-traymanager

A GUI Library for Haskell based on Gtk+

gtk2hs-buildtools

A documentation-generation tool for Haskell libraries

A documentation-generation tool for Haskell libraries

A small program for counting the comments in haskell source

Happstack data manipulation libraries

happstack-hamlet

happstack-heist

happstack-hstringtemplate

happstack-ixset

Efficient relational queries on Haskell sets.

happstack-plugins

happstack-server

Web related tools and services.

happstack-server-tls

happstack-state

Event-based distributed state.

A yacc-like parser generator for Haskell

HaRP, or Haskell Regular Patterns is a Haskell regular expressions extension

Runtime code generation for x86 machine code

Hashed file storage support code.

A command-line interface for user input, written in Haskell.

A fully compliant Haskell 98 lexer.

haskell-platform

The Haskell Platform

Haskell source library

haskell-src-exts

Manipulating Haskell source: abstract syntax, lexer, parser, and pretty-printer

haskell-src-meta

haskelldb-hdbc-mysql

haskelldb-hdbc-odbc

haskelldb-hdbc-postgresql

haskelldb-hdbc-sqlite3

Utilities for manipulating XML documents

HaXR is a library for writing XML-RPC client and server applications in Haskell.

High-level library for building command line interfaces.

Haskell Database Connectivity

ODBC driver for HDBC

hdbc-postgresql

PostgreSQL driver for HDBC

Sqlite v3 driver for HDBC

Haskell bindings for D-Bus

A documentation generator for Haskell

Heaps in Haskell

wrapper for expat, the fast XML parser

library for computation automorphism group and canonical labelling of a graph

A simple graphics library based on X11 or Win32

Purely functional 2D drawing

highlighting-kate

Syntax highlighting

Haskell binding to INotify

Runtime Haskell interpreter (GHC API wrapper)

hipmunkplayground

hledger-interest

Source code suggestions

A make tool for Haskell programs

Simple wikitext-like markup format implementation.

Linear algebra and numerical computation

Haskell API Search

Code Coverage Library for Haskell

Generation of PDF documents

Colourise Haskell code.

Haskell bindings for ncurses

Haskell bindings to GNU ADNS

Internet Message Parsers

Versatile logging framework

A Lua language interpreter embedding in Haskell

hspec-expectations

A client library for the spread toolkit

Simple library for database access from Haskell.

MySQL driver for HSQL.

ODBC driver for HSQL

hsql-postgresql

PostgreSQL driver for HSQL

SQLite3 driver HSQL

A Haskell library for UNIX shell scripting tasks

Fast, lightweight YAML loader and dumper

hstringtemplate

StringTemplate implementation in Haskell.

HTML combinator library

A library for client-side HTTP

http-enumerator

http-reverse-proxy

A unit testing framework for Haskell

A collection of tools for processing XML with Haskell.

hxt-charproperties

hxt-regex-xmlschema

Internationalization for Haskell

String encoding conversion

Anaphoric and miscellaneous useful control-flow

A fast syntax highlighting library built with alex.

imagesize-conduit

Haskell binding for Imlib 2

instant-generics

Iteratee-based I/O

Support for serialising Haskell to and from JSON

Web development framework.

lambdabot-utils

Analysis and generation of C code

language-c-quote

language-ecmascript

language-haskell-extract

language-javascript

Find longest common sublist of two lists

Haskell binding for C LDAP API

Preprocessor for typesetting Haskell sources with LaTeX

An MPD Client Library

libssh2-conduit

Generic support for list-like structures

listlike-instances

Support for precise error locations in source files

A backtracking logic-programming monad.

Implements an LRU data structure

Interface to C file/magic library

mainland-pretty

manatee-browser

manatee-imageviewer

manatee-ircclient

manatee-mplayer

manatee-pdfviewer

manatee-processmanager

manatee-terminal

MaybeT monad transformer

Trie-based memo functions

mersenne-random

Generate high quality pseudorandom numbers using a SIMD Fast Mersenne Twister

mersenne-random-pure64

Generate high quality pseudorandom numbers purely using a Mersenne Twister

Working with MIME types.

MIME implementation for String's.

simple 1-to-N interprocess communication

Large utility library

Memory mapped files for POSIX and Windows

monad-par-extras

monadcatchio-mtl

Monad-transformer version of the Control.Exception module

monadcatchio-transformers

monadcryptorandom

Generate layered monads from a simple declaration language

A collection of monad transformers.

Monad classes, using functional dependencies

Monad classes, using type families

monoid-transformer

Monoid counterparts to some ubiquitous monad transformers

Monad transformer library

parse library use mtl package

The Data.MultiSet container type

Fast, high quality pseudo random number generation

Efficient, ByteString bindings to OpenSSL.

natural-numbers

nettle-openflow

Networking-related facilities

network-bytestring

Fast, memory-efficient, low-level networking

network-conduit

network-enumerator

network-multicast

network-protocol-xmpp

network-socket-options

network-transport

network-transport-tcp

network-transport-tests

Binary serialisation library for Haskell

Various number types

numeric-prelude

Type-level (low cardinality) integers.

Explicitly handled object names

A Haskell binding to the OpenAL cross-platform 3D audio API

OpenGL bindings for haskell

optparse-applicative

parallel programming library

Monadic parser combinators

Haskell library for parsing dates and times

A system-independent interface for user-level packet capture

A small, efficient and portable regex library for Perl 5 compatible regular expressions

persistent-mongodb

persistent-mysql

persistent-postgresql

persistent-sqlite

persistent-template

persistent-test

Dynamic linking for Haskell and C objects

Pure Haskell loader for PNG images

A zipper-like comonad which works as a list, tracking a position.

A variety of alternative parser combinator libraries.

postgresql-libpq

postgresql-simple

Parallel batch driver for QuickCheck

A implementation of multi-column layout w/ Text.PrettyPrint

Wrappers for primitive operations

process-conduit

Convert GHC profiles into GraphViz's dot format

profunctor-extras

Automates the recording and graphing of criterion benchmarks

project-template

A library for functional GUI development

protocol-buffers

protocol-buffers-descriptor

publicsuffixlist

pure-priority-queue

MD5 implementations that should become part of a ByteString Crypto package.

Automatic testing of Haskell programs

quickcheck-assertions

Ranged sets for Haskell

Binding for the rdtsc machine instruction

Simple foundation for functional reactive programming

reactive-banana

reactive-banana-wx

An interface to the GNU readline library

Functions for using the reCAPTCHA service in web applications.

recursion-schemes

Replaces/Enhances Text.Regex

Replaces/Enhances Text.Regex

Replaces/Enhances Text.Regex

Replaces/Enhances Text.Regex

The PCRE backend to accompany regex-base

regex-pcre-builtin

Replaces/Enhances Text.Regex

Replaces/Enhances Text.Regex

Replaces/Enhances Text.Regex

Replaces/Enhances Text.Regex

regular expression like Perl/Ruby in Haskell

repa-algorithms

representable-functors

representable-profunctors

representable-tries

Generic zipper implementation for Data.Tree

A library for generating RSS 2.0 feeds.

Library for safe (pattern match free) functions

Binding to libSDL

Binding to libSDL_gfx

Binding to libSDL_image

Binding to libSDL_mixer

Binding to libSDL_ttf

semigroupoid-extras

Implementations of the SHA suite of message digest functions

shakespeare-css

shakespeare-i18n

shakespeare-text

A framework for creating shell envinronments

shellac-compatline

shellac-editline

shellac-readline

Readline backend module for Shellac

simple-sendfile

Another lightweight testing library in Haskell.

snap-loader-dynamic

snap-loader-static

Static code analysis using graph-theoretic techniques.

Combinator library for splitting lists.

State variables

A library of statistical types, data, and functions

Software Transactional Memory

storable-complex

Storable instance for Complex

storable-record

attempt to convert Strafunski's StrategyLib to a heirarchical library

A library for manipulating infinite lists.

Monadic Stream Processor Arrow

Strict data types and String IO.

strict-concurrency

Strict concurrency abstractions

Find a local optimum of strictness annotations.

stringtable-atom

stylish-haskell

Efficient, lazy suffix tree implementation

Scrap Your Boilerplate With Class

syb-with-class-instances-text

system-filepath

system-time-monotonic

Two-dimensional data tables with rendering functions

tagged-transformer

Parsing and extracting information from (possibly malformed) HTML documents

tagstream-conduit

Reading, writing and manipulating .tar archive files.

A Transactional data cache with configurable persistence

Simple string substitution

Tensor data types

Haskell bindings to the terminfo library.

Framework for running and organising tests, with HUnit and QuickCheck support

test-framework-hunit

HUnit support for the test-framework package.

test-framework-quickcheck

QuickCheck support for the test-framework package.

test-framework-quickcheck2

QuickCheck2 support for the test-framework package.

test-framework-th

test-framework-th-prime

test-ghcpkg-upgrade

A simple test for the (un-)register functions

Test Utililty Pack for HUnit and QuickCheck

Conversion of LaTeX math formulas to MathML.

An efficient packed Unicode text type

Bindings to the ICU library

timezone-series

BitTorrent file parser.

Concrete monad transformers

transformers-base

transformers-compat

The SQL link in your *NIX chain

type-equality-check

Type-level programming library

type-level-numbers

Type composition classes & instances

Unambiguous choice

unbounded-delays

Help writing simple, concise and fast generic operations.

Portable POSIX-compatibility layer.

unordered-containers

A library for working with URLs.

Support for reading and writing UTF8 Strings

Various small helper functions for Lists, Maybes, Tuples, Functions

The Utrecht University Attribute Grammar system

uuagc-bootstrap

Haskell Utrecht Tools Library

Fast unboxed arrays with a flexible interface

uvector-algorithms

Efficient algorithms for uvector unboxed arrays

Extract graph representations of ghc heap values.

Visualize live Haskell data structures using vacuum, graphviz and cairo

vacuum-graphviz

Efficient Arrays

vector-algorithms

Efficient algorithms for vector arrays

vector-binary-instances

Vector & affine spaces, linear maps, and derivatives (requires ghc 6.9)

vector-space-points

A simple terminal access library

wai-app-file-cgi

wai-eventsource

wai-handler-devel

wai-handler-launch

wai-logger-prefork

WASH is a family of embedded domain specific languages for programming Web applications in Haskell.

web-routes-happstack

The Wadler/Leijen Pretty Printer

wl-pprint-extras

wl-pprint-terminfo

A binding to the X11 graphics library

Bindings to the Xft, X Free Type interface library, and some Xrender parts

XHTML combinator library for haskell

xhtml-combinators

A simple XML library.

xmonad-screenshot

yesod-eventsource

yesod-paginator

yesod-persistent

zeromq3-haskell

Library for creating and modifying zip archives.

Compression and decompression in the gzip and zlib formats

Multi-file, colored, filtered log tailer.