Trending Haskell Projects

This page lists the top trending Haskell projects based on the growth of GitHub stars.
It is updated once every day. The last update was on 19 May 2025.
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Top 50 Trending Haskell Projects

  1. nixfmt

    The official (but not yet stable) formatter for Nix code

  2. course-plan

    📜 Haskell course info, plan, video lectures, slides

  3. Tidal

    Pattern language

  4. nix-output-monitor

    Pipe your nix-build output through the nix-output-monitor a.k.a nom to get additional information while building.

  5. sv2v

    SystemVerilog to Verilog conversion

  6. nix-tree

    Interactively browse dependency graphs of Nix derivations.

  7. fossa-cli

    Fast, portable and reliable dependency analysis for any codebase. Supports license & vulnerability scanning for large monoliths. Language-agnostic; integrates with 20+ build systems.

  8. simplexmq

    ⚙️ SimpleXMQ - A reference implementation of the SimpleX Messaging Protocol for simplex queues over public networks.

  9. kmonad

    An advanced keyboard manager

  10. gwern.net

    Site infrastructure for gwern.net. Custom Hakyll website with unique link archiving, popup UX, transclusions/collapses, dark+reader mode, bidirectional backlinks, and typography (sidenotes, dropcaps, link icons, inflation-adjustment, subscripted-citations).

  11. pandoc

    Universal markup converter

  12. elaboration-zoo

    Minimal implementations for dependent type checking and elaboration

  13. copilot

    A stream-based runtime-verification framework for generating hard real-time C code. (by Copilot-Language)

  14. bsc

    Bluespec Compiler (BSC) (by B-Lang-org)

  15. hell

    Haskell-based shell scripting language (by chrisdone)

  16. hledger

    Robust, fast, intuitive plain text accounting tool with CLI, TUI and web interfaces.

  17. xdg-ninja

    A shell script which checks your $HOME for unwanted files and directories.

  18. pact

    The Pact Smart Contract Language

  19. monomer

    An easy to use, cross platform, GUI library for writing Haskell applications.

  20. Gifcurry

    😎 The open-source, Haskell-built video editor for GIF makers.

  21. Espial

    Espial is an open-source, web-based bookmarking server.

  22. crucible

    Crucible is a library for symbolic simulation of imperative programs

  23. echidna

    Ethereum smart contract fuzzer

  24. granule

    A statically-typed linear functional language with graded modal types for fine-grained program reasoning

  25. tetris

    A terminal interface for Tetris

  26. optparse-applicative

    Applicative option parser

  27. distributed-process-tests

    Cloud Haskell core libraries

  28. niv

    Easy dependency management for Nix projects

  29. hadolint

    Dockerfile linter, validate inline bash, written in Haskell

  30. pandoc-crossref

    Pandoc filter for cross-references

  31. obelisk

    Functional reactive web and mobile applications, with batteries included.

  32. project-m36

    Project: M36 Relational Algebra Engine

  33. tttool

    Trying to understand the file format of Tip Toi

  34. kitten

    A statically typed concatenative systems programming language.

  35. emanote

    Emanate a structured view of your plain-text notes

  36. hpack

    hpack: A modern format for Haskell packages

  37. miso

    :ramen: A tasty Haskell front-end framework

  38. hlint

    Haskell source code suggestions

  39. reanimate

    Haskell library for building declarative animations based on SVG graphics

  40. futhark

    :boom::computer::boom: A data-parallel functional programming language

  41. Agda

    Agda is a dependently typed programming language / interactive theorem prover.

  42. clash-ghc

    Haskell to VHDL/Verilog/SystemVerilog compiler

  43. postgrest

    REST API for any Postgres database

  44. neut

    A programming language with static memory management based on λ-calculus

  45. hasktorch

    Tensors and neural networks in Haskell

  46. polysemy

    :gemini: higher-order, no-boilerplate monads

  47. waymonad

    A wayland compositor based on ideas from and inspired by xmonad

  48. hoogle

    Haskell API search engine

  49. hspec

    A Testing Framework for Haskell

  50. koka

    Koka language compiler and interpreter

ABOUT: The growth percentage is calculated as the increase in the number of stars compared to the previous month. We list only projects that have at least 500 stars and a GitHub organization logo set.

Index

What are some of the trending open-source Haskell projects? This list will help you:

Project Growth
1 nixfmt 6.0%
2 course-plan 4.9%
3 Tidal 4.7%
4 nix-output-monitor 3.5%
5 sv2v 3.3%
6 nix-tree 2.7%
7 fossa-cli 2.5%
8 simplexmq 2.5%
9 kmonad 2.4%
10 gwern.net 2.3%
11 pandoc 2.2%
12 elaboration-zoo 2.1%
13 copilot 1.9%
14 bsc 1.9%
15 hell 1.8%
16 hledger 1.8%
17 xdg-ninja 1.8%
18 pact 1.7%
19 monomer 1.4%
20 Gifcurry 1.4%
21 Espial 1.4%
22 crucible 1.4%
23 echidna 1.3%
24 granule 1.3%
25 tetris 1.3%
26 optparse-applicative 1.3%
27 distributed-process-tests 1.2%
28 niv 1.2%
29 hadolint 1.2%
30 pandoc-crossref 1.2%
31 obelisk 1.2%
32 project-m36 1.2%
33 tttool 1.2%
34 kitten 1.2%
35 emanote 1.2%
36 hpack 1.1%
37 miso 1.1%
38 hlint 1.1%
39 reanimate 1.0%
40 futhark 1.0%
41 Agda 1.0%
42 clash-ghc 1.0%
43 postgrest 1.0%
44 neut 1.0%
45 hasktorch 1.0%
46 polysemy 1.0%
47 waymonad 0.9%
48 hoogle 0.9%
49 hspec 0.9%
50 koka 0.9%

Did you know that Haskell is
the 25th most popular programming language
based on number of references?