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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 18.8k 2.8k

  2. api api Public

    Lichess API documentation

    TypeScript 599 174

  3. scalachess scalachess Public

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

    Scala 784 230

  4. mobile mobile Public

    Lichess mobile app

    Dart 2.6k 511

Repositories

Showing 10 of 80 repositories
  • mobile Public

    Lichess mobile app

    lichess-org/mobile's past year of commit activity
    Dart 2,582 GPL-3.0 511 439 (4 issues need help) 71 Updated Oct 7, 2026
  • lila Public

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

    lichess-org/lila's past year of commit activity
    Scala 18,806 AGPL-3.0 2,812 1,222 (5 issues need help) 36 Updated Oct 7, 2026
  • database Public

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

    lichess-org/database's past year of commit activity
    Scala 122 AGPL-3.0 42 4 0 Updated Oct 7, 2026
  • lila-ws Public

    Lichess' websocket server

    lichess-org/lila-ws's past year of commit activity
    Scala 184 AGPL-3.0 109 3 4 Updated Oct 6, 2026
  • chess-openings Public

    An aggregated data set of chess opening names

    lichess-org/chess-openings's past year of commit activity
    Python 562 CC0-1.0 133 8 18 Updated Oct 6, 2026
  • pgn-mule Public

    Merge, filter, tweak and expose PGN sources

    lichess-org/pgn-mule's past year of commit activity
    TypeScript 18 AGPL-3.0 11 4 (3 issues need help) 0 Updated Oct 6, 2026
  • fishnet Public

    Distributed Stockfish analysis for lichess.org

    lichess-org/fishnet's past year of commit activity
    Rust 932 GPL-3.0 116 8 1 Updated Oct 5, 2026
  • papers Public

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

    lichess-org/papers's past year of commit activity
    TeX 43 CC0-1.0 7 4 0 Updated Oct 5, 2026
  • lila-maven Public

    distributing lichess jars

    lichess-org/lila-maven's past year of commit activity
    Shell 8 10 0 0 Updated Oct 5, 2026
  • scalachess Public

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

    lichess-org/scalachess's past year of commit activity
    Scala 784 MIT 231 5 5 Updated Oct 5, 2026
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