Repositories list

• scalachess

  Public

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

  chessfunctional-programmingbitboard+ 3

  chessfunctional-programmingbitboardlichessbitboard-datastructurescala-3

  Scala

  •

  MIT License

  •231231 forks in lichess-org/scalachess•785785 stars in lichess-org/scalachess•55 issues in lichess-org/scalachess•77 pull requests in lichess-org/scalachess•Updated Oct 18, 2026Oct 18, 2026

• lila

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

  gametypescriptchess+ 7

  gametypescriptchessscalafunctional-programmingplay-frameworkfree-softwaretype-safenon-profitlichess

  Scala

  •

  GNU Affero General Public License v3.0

  •2.8k2.8k forks in lichess-org/lila•19k19k stars in lichess-org/lila•1.2k1.2k issues in lichess-org/lila•5959 pull requests in lichess-org/lila•Updated Oct 18, 2026Oct 18, 2026

• mobile

  Public

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

  androiddartios+ 4

  androiddartiosmobilechessflutterlichess

  Dart

  •

  GNU General Public License v3.0

  •524524 forks in lichess-org/mobile•2.6k2.6k stars in lichess-org/mobile•451451 issues in lichess-org/mobile•6464 pull requests in lichess-org/mobile•Updated Oct 18, 2026Oct 18, 2026

• papers

  Public

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

  chessresearchbibliography+ 2

  chessresearchbibliographypublicationslichess

  TeX

  •

  Creative Commons Zero v1.0 Universal

  •77 forks in lichess-org/papers•4444 stars in lichess-org/papers•55 issues in lichess-org/papers•00 pull requests in lichess-org/papers•Updated Oct 17, 2026Oct 17, 2026

• lila-ws

  Public

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

  redisstreamingreactive+ 5

  redisstreamingreactivescalaakkawebsocketpubsublichess

  Scala

  •

  GNU Affero General Public License v3.0

  •112112 forks in lichess-org/lila-ws•184184 stars in lichess-org/lila-ws•33 issues in lichess-org/lila-ws•1010 pull requests in lichess-org/lila-ws•Updated Oct 17, 2026Oct 17, 2026

• api

  Public

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

  lichess

  lichess

  TypeScript

  •

  GNU Affero General Public License v3.0

  •175175 forks in lichess-org/api•600600 stars in lichess-org/api•2828 issues in lichess-org/api•00 pull requests in lichess-org/api•Updated Oct 17, 2026Oct 17, 2026

• lila-db-seed

  Public

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

  Python

  •

  MIT License

  •2727 forks in lichess-org/lila-db-seed•2424 stars in lichess-org/lila-db-seed•33 issues in lichess-org/lila-db-seed•22 pull requests in lichess-org/lila-db-seed•Updated Oct 15, 2026Oct 15, 2026

• lila-tablebase

  Public

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

  rustchesslichess+ 3

  rustchesslichesshttp-apisyzygytablebase

  Rust

  •

  GNU Affero General Public License v3.0

  •1515 forks in lichess-org/lila-tablebase•102102 stars in lichess-org/lila-tablebase•00 issues in lichess-org/lila-tablebase•11 pull request in lichess-org/lila-tablebase•Updated Oct 15, 2026Oct 15, 2026

• 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

  •11 fork in lichess-org/op1•22 stars in lichess-org/op1•11 issue in lichess-org/op1•00 pull requests in lichess-org/op1•Updated Oct 15, 2026Oct 15, 2026

• pgn-viewer

  Public

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

  javascripttypescriptchess+ 3

  javascripttypescriptchessviewerpgnlichess

  TypeScript

  •

  GNU General Public License v3.0

  •4444 forks in lichess-org/pgn-viewer•154154 stars in lichess-org/pgn-viewer•33 issues in lichess-org/pgn-viewer•33 pull requests in lichess-org/pgn-viewer•Updated Oct 15, 2026Oct 15, 2026

• lichess-web-theme

  Public

  lichess-org/lichess-web-theme’s past year of commit activity
  CSS

  •

  Other

  •00 forks in lichess-org/lichess-web-theme•11 star in lichess-org/lichess-web-theme•00 issues in lichess-org/lichess-web-theme•00 pull requests in lichess-org/lichess-web-theme•Updated Oct 15, 2026Oct 15, 2026

• chessground

  Public

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

  typescriptuichess+ 2

  typescriptuichessboardlichess

  TypeScript

  •

  GNU General Public License v3.0

  •333333 forks in lichess-org/chessground•1.4k1.4k stars in lichess-org/chessground•2626 issues in lichess-org/chessground•66 pull requests in lichess-org/chessground•Updated Oct 14, 2026Oct 14, 2026

• lila-docker

  Public

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

  dockerdocker-composelichess

  dockerdocker-composelichess

  Rust

  •

  GNU Affero General Public License v3.0

  •113113 forks in lichess-org/lila-docker•130130 stars in lichess-org/lila-docker•66 issues in lichess-org/lila-docker•11 pull request in lichess-org/lila-docker•Updated Oct 13, 2026Oct 13, 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

  •1414 forks in lichess-org/kaladin•6666 stars in lichess-org/kaladin•22 issues in lichess-org/kaladin•00 pull requests in lichess-org/kaladin•Updated Oct 13, 2026Oct 13, 2026

• lila-fishnet

  Public

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

  catschessfunctional-programming+ 4

  catschessfunctional-programmingtypelevellichessfishnetcats-effect

  Scala

  •

  GNU Affero General Public License v3.0

  •3333 forks in lichess-org/lila-fishnet•4848 stars in lichess-org/lila-fishnet•00 issues in lichess-org/lila-fishnet•55 pull requests in lichess-org/lila-fishnet•Updated Oct 13, 2026Oct 13, 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+ 7

  elasticsearchchessscalafunctional-programmingtypelevellichessscala3cats-effectsmithysmithy4s

  Scala

  •

  GNU Affero General Public License v3.0

  •3333 forks in lichess-org/lila-search•5353 stars in lichess-org/lila-search•22 issues in lichess-org/lila-search•33 pull requests in lichess-org/lila-search•Updated Oct 13, 2026Oct 13, 2026

• lila-maven

  Public

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

  Shell

  •1010 forks in lichess-org/lila-maven•88 stars in lichess-org/lila-maven•00 issues in lichess-org/lila-maven•00 pull requests in lichess-org/lila-maven•Updated Oct 12, 2026Oct 12, 2026

• scalalib

  Public

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

  librarychessscala

  librarychessscala

  Scala

  •

  MIT License

  •2020 forks in lichess-org/scalalib•2121 stars in lichess-org/scalalib•00 issues in lichess-org/scalalib•22 pull requests in lichess-org/scalalib•Updated Oct 12, 2026Oct 12, 2026

• files

  Public

  lichess-org/files’s past year of commit activity
  Public downloads

  Creative Commons Zero v1.0 Universal

  •66 forks in lichess-org/files•1111 stars in lichess-org/files•00 issues in lichess-org/files•00 pull requests in lichess-org/files•Updated Oct 11, 2026Oct 11, 2026

• liplay

  Public

  lichess-org/liplay’s past year of commit activity
  A collection of scala web libraries that originated from play framework, and are dedicated to powering lila

  Scala

  •

  Apache License 2.0

  •22 forks in lichess-org/liplay•33 stars in lichess-org/liplay•00 issues in lichess-org/liplay•22 pull requests in lichess-org/liplay•Updated Oct 9, 2026Oct 9, 2026

• fishnet

  Public

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

  chessdistributed-computinglichess+ 2

  chessdistributed-computinglichessvolunteer-computingstockfish

  Rust

  •

  GNU General Public License v3.0

  •118118 forks in lichess-org/fishnet•933933 stars in lichess-org/fishnet•88 issues in lichess-org/fishnet•11 pull request in lichess-org/fishnet•Updated Oct 7, 2026Oct 7, 2026

• database

  Public

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

  chesscommon-goods

  chesscommon-goods

  Scala

  •

  GNU Affero General Public License v3.0

  •4343 forks in lichess-org/database•124124 stars in lichess-org/database•44 issues in lichess-org/database•11 pull request in lichess-org/database•Updated Oct 7, 2026Oct 7, 2026

• chess-openings

  Public

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

  chessdatasetlichess

  chessdatasetlichess

  Python

  •

  Creative Commons Zero v1.0 Universal

  •134134 forks in lichess-org/chess-openings•570570 stars in lichess-org/chess-openings•88 issues in lichess-org/chess-openings•2020 pull requests in lichess-org/chess-openings•Updated Oct 6, 2026Oct 6, 2026

• pgn-mule

  Public

  lichess-org/pgn-mule’s past year of commit activity
  Merge, filter, tweak and expose PGN sources

  TypeScript

  •

  GNU Affero General Public License v3.0

  •1111 forks in lichess-org/pgn-mule•1818 stars in lichess-org/pgn-mule•44 issues in lichess-org/pgn-mule•00 pull requests in lichess-org/pgn-mule•Updated Oct 6, 2026Oct 6, 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

  •44 forks in lichess-org/lila-engine•1111 stars in lichess-org/lila-engine•00 issues in lichess-org/lila-engine•00 pull requests in lichess-org/lila-engine•Updated Oct 3, 2026Oct 3, 2026

• stockfish-web

  Public

  lichess-org/stockfish-web’s past year of commit activity
  WebAssembly builds for Stockfish, for lichess.org

  chesswebassemblyemscripten+ 2

  chesswebassemblyemscriptenlichessstockfish

  Python

  •

  GNU General Public License v3.0

  •1010 forks in lichess-org/stockfish-web•6666 stars in lichess-org/stockfish-web•00 issues in lichess-org/stockfish-web•00 pull requests in lichess-org/stockfish-web•Updated Oct 3, 2026Oct 3, 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+ 1

  chesslichesshttp-apichess-database

  Rust

  •

  GNU Affero General Public License v3.0

  •4747 forks in lichess-org/lila-openingexplorer•154154 stars in lichess-org/lila-openingexplorer•33 issues in lichess-org/lila-openingexplorer•88 pull requests in lichess-org/lila-openingexplorer•Updated Oct 1, 2026Oct 1, 2026

• lila-http

  Public

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

  lichess

  lichess

  Rust

  •

  GNU Affero General Public License v3.0

  •1212 forks in lichess-org/lila-http•4141 stars in lichess-org/lila-http•00 issues in lichess-org/lila-http•11 pull request in lichess-org/lila-http•Updated Oct 1, 2026Oct 1, 2026

• api-demo

  Public

  lichess-org/api-demo’s past year of commit activity
  Client-side app using various Lichess APIs for demonstration purpose

  lichess-apilichess

  lichess-apilichess

  TypeScript

  •

  GNU Affero General Public License v3.0

  •2525 forks in lichess-org/api-demo•7474 stars in lichess-org/api-demo•00 issues in lichess-org/api-demo•00 pull requests in lichess-org/api-demo•Updated Oct 1, 2026Oct 1, 2026

• 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

  •1313 forks in lichess-org/broadcaster•2323 stars in lichess-org/broadcaster•99 issues in lichess-org/broadcaster•00 pull requests in lichess-org/broadcaster•Updated Sep 29, 2026Sep 29, 2026