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Top Haskell GitHub Repositories & Open Source Projects (2026)

Top open source software built primarily with Haskell, ranked by star growth and community adoption.

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58 matching projects · updated Sep 29, 2026 How we rank ↗
evmar
#1 TRENDING evmar/c-repl Haskell 2008

a C read-eval-print loop (abandoned)

25 ↑ +1 today
alsonkemp
#2 TRENDING alsonkemp/turbinado Haskell 2008

MVC Web Framework for Haskell. See http://github.com/turbinado/turbinado-website for example code

8 ↑ +1 today
tibbe
#3 TRENDING tibbe/hyena Haskell 2008

A Haskell web application server.

4 ↑ +1 today
geekrelief
#4 TRENDING geekrelief/as3tohaxe Haskell 2008

An Actionscript 3 to haXe source converter written in Haskell

3 ↑ +1 today
yav
#5 TRENDING yav/presburger Haskell 2009

Decision procedures for Presburger arithmetic in Haskell

10 ↑ +1 today
yav
#6 TRENDING yav/monadlib Haskell 2008

A monad transformer library for Haskell

6 ↑ +1 today
tmoertel
#8 TRENDING tmoertel/pxsl-tools Haskell 2008

Tools for working with the PXSL, the Parsimonious XML Shorthand Language

1 ↑ +1 today
tibbe
#15 TRENDING tibbe/template Haskell 2008

Simple string substitution for Haskell.

13 ↑ +1 today
copumpkin
#16 TRENDING copumpkin/charm Haskell 2009

(Eventually) a reasonably complete ARM implementation in Haskell

3 ↑ +1 today
gregorycollins
#17 TRENDING gregorycollins/homepage Haskell 2009

Source code for http://gregorycollins.net/ --- built on the Haskell "happstack" framework

0 ↑ +1 today
yav
#18 TRENDING yav/haskell-zipper Haskell 2008

A Haskell datastructure for working with locations in trees or forests.

2 ↑ +1 today
yav
#20 TRENDING yav/url Haskell 2008

A URL package for Haskell

6 ↑ +1 today
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