Repositories list

• lila

  Public

  lichess-org/lila’s past year of commit activity
  ♞ lichess.org: the forever free, adless and open source chess server ♞

  gametypescriptchess+ 7scalafunctional-programmingplay-frameworkfree-softwaretype-safenon-profitlichess

  Scala

  •

  GNU Affero General Public License v3.0

  •2.5k•17k•1.1k•23•Updated Dec 7, 2025Dec 7, 2025

• lila-search

  Public

  lichess-org/lila-search’s past year of commit activity
  Keep elasticsearch threads out of your web facing app, kids

  elasticsearchchessscala+ 7functional-programmingtypelevellichessscala3cats-effectsmithysmithy4s

  Scala

  •

  GNU Affero General Public License v3.0

  •26•50•2•2•Updated Dec 7, 2025Dec 7, 2025

• fishnet

  Public

  lichess-org/fishnet’s past year of commit activity
  Distributed Stockfish analysis for lichess.org

  chessdistributed-computinglichess+ 2volunteer-computingstockfish

  Rust

  •

  GNU General Public License v3.0

  •107•852•5•1•Updated Dec 7, 2025Dec 7, 2025

• chess-openings

  Public

  lichess-org/chess-openings’s past year of commit activity
  An aggregated data set of chess opening names

  chessdatasetlichess

  Python

  •

  Creative Commons Zero v1.0 Universal

  •113•460•5•4•Updated Dec 7, 2025Dec 7, 2025

• papers

  Public

  lichess-org/papers’s past year of commit activity
  Papers that use Lichess data, study Lichess, or cite Lichess

  chessbibliographypublications+ 1lichess

  TeX

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  Creative Commons Zero v1.0 Universal

  •4•31•3•0•Updated Dec 7, 2025Dec 7, 2025

• lila-docker

  Public

  lichess-org/lila-docker’s past year of commit activity
  Lichess local development using Docker Compose.

  dockerdocker-composelichess

  Rust

  •

  GNU Affero General Public License v3.0

  •87•103•6•0•Updated Dec 7, 2025Dec 7, 2025

• mobile

  Public

  lichess-org/mobile’s past year of commit activity
  New Lichess mobile app in Flutter

  androiddartios+ 4mobilechessflutterlichess

  Dart

  •

  GNU General Public License v3.0

  •325•2k•358•22•Updated Dec 7, 2025Dec 7, 2025

• lila-ws

  Public

  lichess-org/lila-ws’s past year of commit activity
  Lichess' websocket server

  redisstreamingreactive+ 5scalaakkawebsocketpubsublichess

  Scala

  •

  GNU Affero General Public License v3.0

  •97•169•2•1•Updated Dec 6, 2025Dec 6, 2025

• lila-fishnet

  Public

  lichess-org/lila-fishnet’s past year of commit activity
  Proxy between lila and fishnet move clients

  catschessfunctional-programming+ 4typelevellichessfishnetcats-effect

  Scala

  •

  GNU Affero General Public License v3.0

  •28•47•0•0•Updated Dec 6, 2025Dec 6, 2025

• broadcaster

  Public

  lichess-org/broadcaster’s past year of commit activity
  Broadcast your chess games on Lichess!

  Vue

  •

  GNU Affero General Public License v3.0

  •10•21•9•0•Updated Dec 5, 2025Dec 5, 2025

• scalalib

  Public

  lichess-org/scalalib’s past year of commit activity
  Misc scala utilities shared by the lichess.org scala projects.

  librarychessscala

  Scala

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  MIT License

  •20•20•1•0•Updated Dec 4, 2025Dec 4, 2025

• scalachess

  Public

  lichess-org/scalachess’s past year of commit activity
  Chess API written in scala. Immutable and free of side effects.

  chessfunctional-programmingbitboard+ 3lichessbitboard-datastructurescala-3

  Scala

  •

  MIT License

  •223•742•4•4•Updated Dec 4, 2025Dec 4, 2025

• berserk

  Public

  lichess-org/berserk’s past year of commit activity
  Python client for the lichess API

  Python

  •

  GNU General Public License v3.0

  •65•143•8•1•Updated Dec 3, 2025Dec 3, 2025

• lila-db-seed

  Public

  lichess-org/lila-db-seed’s past year of commit activity
  Sample database data for lila development

  Python

  •

  MIT License

  •19•23•1•0•Updated Dec 2, 2025Dec 2, 2025

• lila-openingexplorer

  Public

  lichess-org/lila-openingexplorer’s past year of commit activity
  Opening explorer for lichess.org that can handle all the variants and trillions of unique positions

  chesslichesshttp-api+ 1chess-database

  Rust

  •

  GNU Affero General Public License v3.0

  •39•148•2•6•Updated Dec 2, 2025Dec 2, 2025

• leroyjenkins

  Public

  lichess-org/leroyjenkins’s past year of commit activity
  Follow ban logs to manage ipsets

  ipset

  Rust

  •

  GNU General Public License v3.0

  •4•19•1•1•Updated Dec 1, 2025Dec 1, 2025

• nftnl-rs

  Public

  lichess-org/nftnl-rs’s past year of commit activity
  Rust bindings and abstraction for libnftnl, low-level userspace access to the in-kernel nf_tables subsystem

  Rust

  •

  Apache License 2.0

  •32•0•0•0•Updated Dec 1, 2025Dec 1, 2025

• api

  Public

  lichess-org/api’s past year of commit activity
  Lichess API documentation and examples

  lichess

  TypeScript

  •

  GNU Affero General Public License v3.0

  •160•518•20•0•Updated Nov 29, 2025Nov 29, 2025

• pgn-viewer

  Public

  lichess-org/pgn-viewer’s past year of commit activity
  PGN viewer widget

  javascripttypescriptchess+ 3viewerpgnlichess

  TypeScript

  •

  GNU General Public License v3.0

  •31•137•4•4•Updated Nov 29, 2025Nov 29, 2025

• flutter-chessground

  Public

  lichess-org/flutter-chessground’s past year of commit activity
  Chessboard package for flutter

  dartchessboardflutter+ 1lichess

  Dart

  •

  GNU General Public License v3.0

  •48•71•2•2•Updated Nov 23, 2025Nov 23, 2025

• chessground

  Public

  lichess-org/chessground’s past year of commit activity
  Mobile/Web chess UI for lichess.org

  typescriptuichess+ 2boardlichess

  TypeScript

  •

  GNU General Public License v3.0

  •301•1.2k•27•3•Updated Nov 21, 2025Nov 21, 2025

• database

  Public

  lichess-org/database’s past year of commit activity
  Public exports of all rated games, puzzles, and computer evaluations.

  chesscommon-goods

  Scala

  •

  GNU Affero General Public License v3.0

  •33•102•5•0•Updated Nov 20, 2025Nov 20, 2025

• compression

  Public
  Chess clock and move compression algorithms for lichess.org

  Scala

  •

  GNU Affero General Public License v3.0

  •20•118•1•2•Updated Nov 19, 2025Nov 19, 2025

• flutter-sound-effect

  Public

  lichess-org/flutter-sound-effect’s past year of commit activity
  Flutter plugin to play short sounds with low latency

  gamedartsound+ 5low-latencyflutteravaudioplayersoundpoollow-latency-audio

  Dart

  •

  GNU General Public License v3.0

  •3•6•3•0•Updated Nov 19, 2025Nov 19, 2025

• stockfish-web

  Public

  lichess-org/stockfish-web’s past year of commit activity
  A home for stockfish wasms - because we care

  Python

  •

  GNU General Public License v3.0

  •4•20•0•0•Updated Nov 15, 2025Nov 15, 2025

• op1

  Public

  lichess-org/op1’s past year of commit activity
  Probe Marc Bourzutschky's partial 8-piece tablebase, op1

  C

  •

  GNU Affero General Public License v3.0

  •0•1•0•0•Updated Nov 13, 2025Nov 13, 2025

• lila-tablebase

  Public

  lichess-org/lila-tablebase’s past year of commit activity
  Tablebase server

  rustchesslichess+ 3http-apisyzygytablebase

  Rust

  •

  GNU Affero General Public License v3.0

  •15•94•0•1•Updated Nov 8, 2025Nov 8, 2025

• zulip

  Public

  lichess-org/zulip’s past year of commit activity
  Zulip server and web app—powerful open source team chat - slightly hacked by and for lichess.org

  Python

  •

  Apache License 2.0

  •9k•6•0•0•Updated Nov 3, 2025Nov 3, 2025

• lila-gif

  Public

  lichess-org/lila-gif’s past year of commit activity
  Webservice to render Gifs of chess positions and games, and stream them frame by frame

  chessgiflichess+ 1http-api

  Rust

  •

  GNU Affero General Public License v3.0

  •24•111•6•8•Updated Nov 1, 2025Nov 1, 2025

• fishnet-builder

  Public

  lichess-org/fishnet-builder’s past year of commit activity
  Docker image for an environment that can produce fully static Stockfish builds

  C

  •0•2•0•0•Updated Oct 24, 2025Oct 24, 2025