Top Haskell GitHub Repositories & Open Source Projects (2026)

A Voting web application built with HAppS. Uses Condorcet voting and relies on JavaScript.

Last.fm Scrobbler for the 3VOOR12 Luisterpaal

Linear algebra with statically checked physical dimensions.

A variety of hashtables for Haskell

Test repository.

A graphical modeling approach to simplifying sequential teams

Slow-compiling tables for IAU2000

A haskell program to use and cryptanalyze the vigenere cipher

haskell-pgm is now maintained by Sergey Astanin. See https://github.com/astanin/haskell-pgm

A wiki using HAppS, pandoc, and git

ReviewBoard bindings for Haskell

pasty is a linux command line tool written in Haskell for pasting from column centric plain text files.

a game

A package management tool for AUR packages in Arch Linux

Haskell libzephyr bindings

Creates a digest of an e-mail box

Haskell implementation of the freedesktop.org Base Directory Specification

Haskell implementation of the freedesktop.org Desktop Entry Specification

Pure Haskell loader for PNG images

Provides an API for Haskell applications to the FiveRuns Dash service, http://dash.fiveruns.com