Haskell Elm

Open-source Haskell projects categorized as Elm

Top 12 Haskell Elm Projects

  1. Elm

    Compiler for Elm, a functional language for reliable webapps.

    Project mention: Play: UI Layouts in PureScript | dev.to | 2026-01-10

    With this article I hope to attract more attention to the languages like PureScript, or Unison or LEAN, or Haskell or Elm and its descendants, because they not only bring mathematical beauty in the world (I say it from the position of the guy who totally didn't like maths at school, though gladly read books from Martin Gardner or Lewis Carroll about Logic), but also the code written using them is stable, easy to reason, and brings joy.

  2. SaaSHub

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  3. elm-format

    elm-format formats Elm source code according to a standard set of rules based on the official Elm Style Guide

  4. package.elm-lang.org

    website for browsing packages and exploring documentation

  5. servant-elm

    Automatically derive Elm functions to query servant webservices

  6. json-autotype

    Automatic Haskell type inference from JSON input

  7. cake-slayer

    🍰🔪 Architecture of Haskell backend applications

  8. elm2nix

    Convert Elm project into Nix expressions

    Project mention: Announcing dwayne/elm2nix | dev.to | 2026-01-08

    When I researched cachix/elm2nix it seemed to fit perfectly with my goals because it combined all three technologies that I love, Elm, Haskell, and Nix, to produce a useful tool for Elm developers. On reading the code and seeing how Nix and Haskell were being used I immediately saw opportunities for growing my skills while making improvements to the tool.

  9. elm-export

    Create Elm types and JSON decoders from Haskell source.

  10. elm-street

    :deciduous_tree: Crossing the road between Haskell and Elm

  11. elm-syntax

    Library for generating Elm syntax from Haskell in a scope-safe way

  12. elm2nix

    A rewrite of cachix/elm2nix with a few changes and improvements. (by dwayne)

    Project mention: Elm + Nix: A reproducible RealWorld clone | dev.to | 2026-02-13

    The Elm builds are powered by dwayne/elm2nix.

  13. elm-websocket

    Generate an Elm Subscriber and JSON encoders/decoders for a Wai WebSocket server

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

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

# Project Stars
1 Elm 7,793
2 elm-format 1,331
3 package.elm-lang.org 297
4 servant-elm 164
5 json-autotype 149
6 cake-slayer 137
7 elm2nix 124
8 elm-export 115
9 elm-street 92
10 elm-syntax 24
11 elm2nix 13
12 elm-websocket 6

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