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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 17.9k 2.6k

  2. api api Public

    Lichess API documentation and examples

    TypeScript 542 166

  3. scalachess scalachess Public

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

    Scala 760 228

  4. mobile mobile Public

    New Lichess mobile app in Flutter

    Dart 2.1k 367

Repositories

Showing 10 of 71 repositories
  • lila-search Public

    Keep elasticsearch threads out of your web facing app, kids

    lichess-org/lila-search’s past year of commit activity
    Scala 51 AGPL-3.0 27 4 7 Updated Mar 6, 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 Mar 6, 2026
  • lila Public

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

    lichess-org/lila’s past year of commit activity
    Scala 17,886 AGPL-3.0 2,584 1,187 (7 issues need help) 15 Updated Mar 6, 2026
  • lila-db-seed Public

    Sample database data for lila development

    lichess-org/lila-db-seed’s past year of commit activity
    Python 22 MIT 20 2 0 Updated Mar 6, 2026
  • database Public

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

    lichess-org/database’s past year of commit activity
    Scala 106 AGPL-3.0 36 5 1 Updated Mar 6, 2026
  • api Public

    Lichess API documentation and examples

    lichess-org/api’s past year of commit activity
    TypeScript 542 AGPL-3.0 166 23 0 Updated Mar 6, 2026
  • chessground-examples Public

    Usage examples for chessground

    lichess-org/chessground-examples’s past year of commit activity
    TypeScript 63 GPL-3.0 35 1 1 Updated Mar 6, 2026
  • compression Public

    Chess clock and move compression algorithms for lichess.org

    lichess-org/compression’s past year of commit activity
    Scala 121 AGPL-3.0 20 1 2 Updated Mar 6, 2026
  • scalachess Public

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

    lichess-org/scalachess’s past year of commit activity
    Scala 760 MIT 228 4 4 Updated Mar 6, 2026
  • scalalib Public

    Misc scala utilities shared by the lichess.org scala projects.

    lichess-org/scalalib’s past year of commit activity
    Scala 19 MIT 20 0 2 Updated Mar 6, 2026
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