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•18•Updated Dec 19, 2025Dec 19, 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

  •34•102•5•0•Updated Dec 19, 2025Dec 19, 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

  •328•2k•366•31•Updated Dec 18, 2025Dec 18, 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•2•Updated Dec 18, 2025Dec 18, 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

  •108•854•5•1•Updated Dec 18, 2025Dec 18, 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

  •161•520•20•0•Updated Dec 18, 2025Dec 18, 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

  •224•744•4•4•Updated Dec 17, 2025Dec 17, 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•461•6•4•Updated Dec 17, 2025Dec 17, 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

  •66•146•8•1•Updated Dec 16, 2025Dec 16, 2025

• scalalib

  Public

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

  librarychessscala

  Scala

  •

  MIT License

  •20•20•0•0•Updated Dec 15, 2025Dec 15, 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•139•4•4•Updated Dec 14, 2025Dec 14, 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•5•Updated Dec 13, 2025Dec 13, 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•4•Updated Dec 12, 2025Dec 12, 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

  •88•104•6•0•Updated Dec 11, 2025Dec 11, 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 10, 2025Dec 10, 2025

• lila-maven

  Public

  lichess-org/lila-maven’s past year of commit activity
  distributing lichess jars

  Shell

  •9•7•0•0•Updated Dec 8, 2025Dec 8, 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

  •

  Creative Commons Zero v1.0 Universal

  •4•32•3•0•Updated Dec 7, 2025Dec 7, 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
  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•149•2•6•Updated Dec 2, 2025Dec 2, 2025

• leroyjenkins

  Public
  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

  •33•0•0•0•Updated Dec 1, 2025Dec 1, 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

  •49•72•2•2•Updated Nov 23, 2025Nov 23, 2025

• chessground

  Public
  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

• compression

  Public

  lichess-org/compression’s past year of commit activity
  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
  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
  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•95•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

  •9.1k•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