Top 16 lichess open source projects

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

Handle some lichess.org/tournament load with Rust, while learning Rust

Try out lichess' bot interface

Chessground React Wrapper

A free, open-source and modern Chess Variant Analysis GUI for the 21st century

Chess project to analyze the statistical effect of playing f3 (as white) or f6 (as black) on the outcome of the game.

Webservice to render Gifs of chess positions and games, and stream them frame by frame

Chess and chess variant rules and operations in TypeScript

lc0docker: run lc0 chess client and lichess bot under Docker and Kubernetes

Tablebase server

The strong open source chess engine Stockfish compiled to JavaScript and WebAssembly using Emscripten

Lichess' websocket server

An aggregated data set of chess opening names

Opening explorer for lichess.org that can handle all the variants and billions of unique positions

Generate chess puzzles / tactics from a pgn file

This program uses the lichess REST API to retrieve all the games of a user and transform them into a big PGN file that you can then import into your favourite game analysis tool (ie. scid)