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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 17.7k 2.6k

  2. api api Public

    Lichess API documentation and examples

    TypeScript 529 165

  3. scalachess scalachess Public

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

    Scala 752 227

  4. mobile mobile Public

    New Lichess mobile app in Flutter

    Dart 2.1k 351

Repositories

Showing 10 of 71 repositories
  • lila Public

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

    lichess-org/lila’s past year of commit activity
    Scala 17,697 AGPL-3.0 2,551 1,171 (8 issues need help) 19 Updated Feb 3, 2026
  • api Public

    Lichess API documentation and examples

    lichess-org/api’s past year of commit activity
    TypeScript 529 AGPL-3.0 165 22 (1 issue needs help) 2 Updated Feb 3, 2026
  • papers Public

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

    lichess-org/papers’s past year of commit activity
    TeX 35 CC0-1.0 4 3 0 Updated Feb 3, 2026
  • mobile Public

    New Lichess mobile app in Flutter

    lichess-org/mobile’s past year of commit activity
    Dart 2,059 GPL-3.0 351 385 (4 issues need help) 25 Updated Feb 3, 2026
  • stockfish-web Public

    A home for stockfish wasms - because we care

    lichess-org/stockfish-web’s past year of commit activity
    Python 21 GPL-3.0 5 0 0 Updated Feb 2, 2026
  • scalachess Public

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

    lichess-org/scalachess’s past year of commit activity
    Scala 752 MIT 227 5 4 Updated Feb 2, 2026
  • database Public

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

    lichess-org/database’s past year of commit activity
    Scala 104 AGPL-3.0 35 5 0 Updated Feb 2, 2026
  • lila-openingexplorer Public

    Opening explorer for lichess.org that can handle all the variants and trillions of unique positions

    lichess-org/lila-openingexplorer’s past year of commit activity
    Rust 153 AGPL-3.0 40 3 5 Updated Feb 1, 2026
  • lila-gif Public

    Webservice to render Gifs of chess positions and games, and stream them frame by frame

    lichess-org/lila-gif’s past year of commit activity
    Rust 114 AGPL-3.0 26 3 2 Updated Feb 1, 2026
  • lila-ip2proxy Public

    Webservice to query an IP2Proxy BIN database

    lichess-org/lila-ip2proxy’s past year of commit activity
    Rust 11 AGPL-3.0 1 0 5 Updated Feb 1, 2026
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