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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 513

Repositories

Showing 10 of 80 repositories
  • lila Public

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

    lichess-org/lila's past year of commit activity
    Scala 18,807 AGPL-3.0 2,813 1,222 (7 issues need help) 40 Updated Oct 7, 2026
  • pgn-viewer Public

    PGN viewer widget

    lichess-org/pgn-viewer's past year of commit activity
    TypeScript 153 GPL-3.0 44 3 3 Updated Oct 7, 2026
  • files Public

    Public downloads

    lichess-org/files's past year of commit activity
    10 CC0-1.0 6 0 0 Updated Oct 7, 2026
  • fishnet Public

    Distributed Stockfish analysis for lichess.org

    lichess-org/fishnet's past year of commit activity
    Rust 932 GPL-3.0 117 8 1 Updated Oct 7, 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 7, 2026
  • liplay Public

    A collection of scala web libraries that originated from play framework, and are dedicated to powering lila

    lichess-org/liplay's past year of commit activity
    Scala 3 Apache-2.0 2 0 1 Updated Oct 7, 2026
  • mobile Public

    Lichess mobile app

    lichess-org/mobile's past year of commit activity
    Dart 2,582 GPL-3.0 513 440 (4 issues need help) 69 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 563 CC0-1.0 133 8 18 Updated Oct 6, 2026
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