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Lichess

The free and open source chess server
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  1. lila lila Public

    ♞ lichess.org: the forever free, adless and open source chess server ♞

    Scala 18.9k 2.8k

  2. api api Public

    Lichess API documentation

    TypeScript 601 174

  3. scalachess scalachess Public

    Chess API written in scala. Immutable and free of side effects.

    Scala 786 231

  4. mobile mobile Public

    Lichess mobile app

    Dart 2.6k 524

Repositories

Showing 10 of 82 repositories
  • lila Public

    ♞ lichess.org: the forever free, adless and open source chess server ♞

    lichess-org/lila's past year of commit activity
    Scala 18,874 AGPL-3.0 2,840 1,228 (5 issues need help) 47 Updated Oct 22, 2026
  • mobile Public

    Lichess mobile app

    lichess-org/mobile's past year of commit activity
    Dart 2,609 GPL-3.0 524 451 (4 issues need help) 71 Updated Oct 21, 2026
  • api Public

    Lichess API documentation

    lichess-org/api's past year of commit activity
    TypeScript 601 AGPL-3.0 174 28 2 Updated Oct 21, 2026
  • lichess-org.github.io Public
    lichess-org/lichess-org.github.io's past year of commit activity
    2 4 0 1 Updated Oct 21, 2026
  • irwin Public Forked from clarkerubber/irwin

    irwin - the protector of lichess from all chess players villainous

    lichess-org/irwin's past year of commit activity
    Python 15 AGPL-3.0 48 0 0 Updated Oct 21, 2026
  • fishnet Public

    Distributed Stockfish analysis for lichess.org

    lichess-org/fishnet's past year of commit activity
    Rust 935 GPL-3.0 118 8 1 Updated Oct 21, 2026
  • database Public

    Public exports of all rated games, puzzles, and computer evaluations.

    lichess-org/database's past year of commit activity
    Scala 124 AGPL-3.0 43 4 1 Updated Oct 21, 2026
  • stockfish-web Public

    WebAssembly builds for Stockfish, for lichess.org

    lichess-org/stockfish-web's past year of commit activity
    Python 66 GPL-3.0 10 0 0 Updated Oct 20, 2026
  • chessground Public

    Mobile/Web chess UI for lichess.org

    lichess-org/chessground's past year of commit activity
    TypeScript 1,383 GPL-3.0 334 25 3 Updated Oct 20, 2026
  • papers Public

    Papers that use Lichess data, study Lichess, or cite Lichess

    lichess-org/papers's past year of commit activity
    TeX 44 CC0-1.0 7 5 0 Updated Oct 19, 2026
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