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

  •2.6k•18k•1.2k•18•Updated Feb 4, 2026Feb 4, 2026

• 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•35•3•0•Updated Feb 4, 2026Feb 4, 2026

• 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

  •351•2.1k•386•26•Updated Feb 4, 2026Feb 4, 2026

• 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

  •98•173•2•13•Updated Feb 4, 2026Feb 4, 2026

• 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•19•0•4•Updated Feb 3, 2026Feb 3, 2026

• dartchess

  Public

  lichess-org/dartchess’s past year of commit activity
  Dart chess library for native platforms

  dartflutter

  Dart

  •

  GNU General Public License v3.0

  •26•43•3•2•Updated Feb 3, 2026Feb 3, 2026

• 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

  •165•529•22•2•Updated Feb 3, 2026Feb 3, 2026

• stockfish-web

  Public

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

  chesswebassemblyemscripten+ 2lichessstockfish

  Python

  •

  GNU General Public License v3.0

  •5•21•0•0•Updated Feb 2, 2026Feb 2, 2026

• 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

  •227•752•5•4•Updated Feb 2, 2026Feb 2, 2026

• 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

  •35•104•5•0•Updated Feb 2, 2026Feb 2, 2026

• 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

  •40•153•3•5•Updated Feb 1, 2026Feb 1, 2026

• 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

  •26•114•3•2•Updated Feb 1, 2026Feb 1, 2026

• lila-ip2proxy

  Public

  lichess-org/lila-ip2proxy’s past year of commit activity
  Webservice to query an IP2Proxy BIN database

  rustgeolocationlichess+ 1ip2location

  Rust

  •

  GNU Affero General Public License v3.0

  •1•11•0•5•Updated Feb 1, 2026Feb 1, 2026

• lila-engine

  Public

  lichess-org/lila-engine’s past year of commit activity
  Broker for communication between external engine providers and clients

  Rust

  •

  GNU Affero General Public License v3.0

  •2•10•0•5•Updated Feb 1, 2026Feb 1, 2026

• lila-http

  Public

  lichess-org/lila-http’s past year of commit activity
  Handle some https://lichess.org/tournament load

  lichess

  Rust

  •

  GNU Affero General Public License v3.0

  •13•40•0•5•Updated Feb 1, 2026Feb 1, 2026

• 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

  •27•51•2•19•Updated Feb 1, 2026Feb 1, 2026

• docker-nginx

  Public

  lichess-org/docker-nginx’s past year of commit activity
  Our nginx docker build

  0•0•0•1•Updated Feb 1, 2026Feb 1, 2026

• 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•871•6•1•Updated Jan 31, 2026Jan 31, 2026

• zerofish

  Public

  lichess-org/zerofish’s past year of commit activity
  TypeScript

  •

  GNU Affero General Public License v3.0

  •2•0•0•0•Updated Jan 31, 2026Jan 31, 2026

• 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

  •306•1.3k•27•4•Updated Jan 31, 2026Jan 31, 2026

• 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

  •34•142•4•4•Updated Jan 31, 2026Jan 31, 2026

• lila-push

  Public

  lichess-org/lila-push’s past year of commit activity
  Web push microservice for lichess.org

  lichesshttp-api

  Rust

  •

  GNU Affero General Public License v3.0

  •13•18•0•2•Updated Jan 28, 2026Jan 28, 2026

• 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•120•1•2•Updated Jan 27, 2026Jan 27, 2026

• 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

  •115•477•7•12•Updated Jan 23, 2026Jan 23, 2026

• kaladin

  Public

  lichess-org/kaladin’s past year of commit activity
  Machine learning tool aimed at automating cheat detection using insights data.

  PureBasic

  •

  GNU Affero General Public License v3.0

  •13•62•2•0•Updated Jan 20, 2026Jan 20, 2026

• dart-multistockfish

  Public

  lichess-org/dart-multistockfish’s past year of commit activity
  Multiple flavors of Stockfish Chess Engine

  dartchessengine+ 3dartlangstockfishstockfish-engine

  C++

  •

  GNU General Public License v3.0

  •1•6•0•1•Updated Jan 19, 2026Jan 19, 2026

• chessground-examples

  Public

  lichess-org/chessground-examples’s past year of commit activity
  Usage examples for chessground

  TypeScript

  •

  GNU General Public License v3.0

  •35•63•1•1•Updated Jan 18, 2026Jan 18, 2026

• 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

  •91•111•6•0•Updated Jan 18, 2026Jan 18, 2026

• 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•0•Updated Dec 27, 2025Dec 27, 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

  •29•49•0•12•Updated Dec 24, 2025Dec 24, 2025