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 18 Sep 2023.
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Top 50 Trending Haskell Projects

  • nammayatri

    A Direct-to-Driver open mobility platform powering the next-generation of mobility applications in India.

  • wasp

    The fastest way to develop full-stack web apps with React & Node.js.

  • simplex-chat

    SimpleX - the first messaging platform operating without user identifiers of any kind - 100% private by design! iOS and Android apps are released 📱!

  • emanote

    Emanate a structured view of your plain-text notes

  • course-plan

    📜 Haskell course info, plan, video lectures, slides

  • cachix

    Command line client for Nix binary cache hosting:

  • kmonad

    An advanced keyboard manager

  • futhark

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

  • swarm

    Resource gathering + programming game

  • bsc

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

  • Agda

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

  • 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.

  • granule

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

  • hadolint

    Dockerfile linter, validate inline bash, written in Haskell

  • LambdaHack

    Haskell game engine library for roguelike dungeon crawlers; please offer feedback, e.g., after trying out the sample game with the web frontend at

  • koka

    Koka language compiler and interpreter

  • hasktorch

    Tensors and neural networks in Haskell

  • tttool

    Trying to understand the file format of Tip Toi

  • obelisk

    Functional reactive web and mobile applications, with batteries included.

  • ormolu

    A formatter for Haskell source code

  • parsec

    A monadic parser combinator library

  • xmonad

    The core of xmonad, a small but functional ICCCM-compliant tiling window manager

  • learn4haskell

    👩‍🏫 👨‍🏫 Learn Haskell basics in 4 pull requests

  • Cabal

    Official upstream development repository for Cabal and cabal-install

  • haskell-language-server

    Official haskell ide support via language server (LSP). Successor of ghcide & haskell-ide-engine.

  • streamly

    High performance, concurrent functional programming abstractions

  • liquidhaskell

    Liquid Types For Haskell

  • hevm

    Dapp, Seth, Hevm, and more

  • ihp

    🔥 The fastest way to build type safe web apps. IHP is a new batteries-included web framework optimized for longterm productivity and programmer happiness

  • postgrest

    REST API for any Postgres database

  • copilot

    A stream-based runtime-verification framework for generating hard real-time C code.

  • dex-lang

    Research language for array processing in the Haskell/ML family

  • eff

    🚧 a work in progress effect system for Haskell 🚧 (by hasura)

  • pact

    The Pact Smart Contract Language

  • ghc

    Mirror of the Glasgow Haskell Compiler. Please submit issues and patches to GHC's Gitlab instance ( First time contributors are encouraged to get started with the newcomers info (

  • clash-ghc

    Haskell to VHDL/Verilog/SystemVerilog compiler

  • attoparsec

    A fast Haskell library for parsing ByteStrings

  • Carp

    A statically typed lisp, without a GC, for real-time applications.

  • purescript

    A strongly-typed language that compiles to JavaScript

  • taffybar

    A gtk based status bar for tiling window managers such as XMonad

  • relude

    🌀 Safe, performant, user-friendly and lightweight Haskell standard library

  • rio-orphans

    A standard library for Haskell (by commercialhaskell)

  • matterhorn

    A feature-rich Unix terminal client for the Mattermost chat system

  • unison

    A friendly programming language from the future

  • cardano-wallet

    HTTP server & command-line for managing UTxOs and HD wallets in Cardano.

  • reflex

    Interactive programs without callbacks or side-effects. Functional Reactive Programming (FRP) uses composable events and time-varying values to describe interactive systems as pure functions. Just like other pure functional code, functional reactive code is easier to get right on the first try, maintain, and reuse. (by reflex-frp)

  • applied-fp-course

    Applied Functional Programming Course - Move from exercises to a working app!

  • aeson

    A fast Haskell JSON library

  • implicit

    A math-inspired CAD program in haskell. CSG, bevels, and shells; 2D & 3D geometry; 2D gcode generation...

  • duckling

    Language, engine, and tooling for expressing, testing, and evaluating composable language rules on input strings.

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.


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

Project Growth
1 nammayatri 30.7%
2 wasp 17.1%
3 simplex-chat 8.9%
4 emanote 3.3%
5 course-plan 3.2%
6 cachix 3.0%
7 kmonad 2.7%
8 futhark 2.3%
9 swarm 2.3%
10 bsc 2.2%
11 Agda 2.2%
12 fossa-cli 2.2%
13 granule 2.1%
14 hadolint 1.9%
15 LambdaHack 1.9%
16 koka 1.8%
17 hasktorch 1.7%
18 tttool 1.7%
19 obelisk 1.6%
20 ormolu 1.5%
21 parsec 1.5%
22 xmonad 1.3%
23 learn4haskell 1.2%
24 Cabal 1.2%
25 haskell-language-server 1.2%
26 streamly 1.1%
27 liquidhaskell 1.1%
28 hevm 1.1%
29 ihp 1.0%
30 postgrest 1.0%
31 copilot 1.0%
32 dex-lang 0.9%
33 eff 0.9%
34 pact 0.9%
35 ghc 0.9%
36 clash-ghc 0.9%
37 attoparsec 0.8%
38 Carp 0.8%
39 purescript 0.8%
40 taffybar 0.8%
41 relude 0.7%
42 rio-orphans 0.7%
43 matterhorn 0.7%
44 unison 0.7%
45 cardano-wallet 0.7%
46 reflex 0.7%
47 applied-fp-course 0.6%
48 aeson 0.6%
49 implicit 0.6%
50 duckling 0.6%