chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more

Consolidated view of all your chess games from chess.com, lichess, grandmaster games or custom pgn.

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

Chess, Janggi, Xiangqi, Sittuyin pieces and boards

a Godot hexagonal chess program including several variants of hex chess, basic AI and peer-to-peer multiplayer

chess variant NNUE training code for Fairy-Stockfish

playground for Fairy-Stockfish in the browser

EPD opening book generation and filtering for chess and chess variants

WebAssembly port of the chess variant engine Fairy-Stockfish with NNUE support

Minimalistic chess variant GUI for Fairy-Stockfish, superseded by fairyground

Calculate game statistics for chess variants

Puzzle generator for chess variants

Talia is a powerful open-source chess engine 🤖

CrazyAra - A Deep Learning UCI-Chess Variant Engine written in C++ 🐦

Variant NNUE training data generator for Fairy-Stockfish

An open source chess project in Node/Next.js. For the ❤️ of chess.

Stockfish playing Seirawan chess (S-Chess); see https://github.com/ianfab/Fairy-Stockfish for a fork in active development

customized version of UCI2WB adapter by H.G.Muller

A fairy chess game for Emacs

opening books for chess variants in EPD format for engine testing and tuning, generated with https://github.com/ianfab/bookgen. Used for https://github.com/ianfab/fishtest.