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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 530 165

  3. scalachess scalachess Public

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

    Scala 751 227

  4. mobile mobile Public

    New Lichess mobile app in Flutter

    Dart 2.1k 352

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 17,724 AGPL-3.0 2,559 1,164 (7 issues need help) 22 Updated Feb 11, 2026
  • api Public

    Lichess API documentation and examples

    lichess-org/api’s past year of commit activity
    TypeScript 530 AGPL-3.0 165 23 0 Updated Feb 11, 2026
  • dart-multistockfish Public

    Multiple flavors of Stockfish Chess Engine

    lichess-org/dart-multistockfish’s past year of commit activity
    C++ 6 GPL-3.0 2 0 1 Updated Feb 11, 2026
  • mobile Public

    New Lichess mobile app in Flutter

    lichess-org/mobile’s past year of commit activity
    Dart 2,078 GPL-3.0 352 385 (4 issues need help) 22 Updated Feb 11, 2026
  • pgn-viewer Public

    PGN viewer widget

    lichess-org/pgn-viewer’s past year of commit activity
    TypeScript 142 GPL-3.0 36 4 2 Updated Feb 11, 2026
  • lila-ws Public

    Lichess' websocket server

    lichess-org/lila-ws’s past year of commit activity
    Scala 173 AGPL-3.0 100 2 8 Updated Feb 10, 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 10, 2026
  • lila-docker Public

    Lichess local development using Docker Compose.

    lichess-org/lila-docker’s past year of commit activity
    Rust 112 AGPL-3.0 92 6 0 Updated Feb 10, 2026
  • op1 Public

    Probe Marc Bourzutschky's partial 8-piece tablebase, op1

    lichess-org/op1’s past year of commit activity
    C 2 AGPL-3.0 1 0 0 Updated Feb 9, 2026
  • berserk Public

    Python client for the lichess API

    lichess-org/berserk’s past year of commit activity
    Python 152 GPL-3.0 66 9 (1 issue needs help) 5 Updated Feb 9, 2026
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