Top Haskell GitHub Repositories & Open Source Projects (2026)
Top open source software built primarily with Haskell, ranked by star growth and community adoption.
Simple Haskell model of context semantics
Extensible, typed, scanf- and printf-like functions for formatted reading and showing in Haskell
Extra instances for Applicative Functors
A Program-Global Key-Value Store Inside the IO Monad
A collection of programs for managing, manipulating, annotating, and using bibtex files
Halifax statement conversion into QIF and Ledger formats
An attempt at FRP, for an example multi-player RTS game see http://github.com/yairchu/defend
An implementation of Conal-style Functional Reactive Programming in Haskell
A FUSE filesystem for the Music Player Daemon (MPD)
A Haskell program to play Internet radio using the new GStreamer bindings
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.