A free and strong UCI chess engine
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Chess GitHub Repositories (2026) · Open Source Tools
Discover the best Chess open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
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17 matching projects · updated Nov 13, 2026
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♞ lichess.org: the forever free, adless and open source chess server ♞
↑ +45 today
A TypeScript chess library for chess move generation/validation, piece placement/movement, and check/checkmate/draw detection
↑ +12 today
Stockfish NNUE (Chess evaluation) trainer in Pytorch
↑ +3 today
Distributed Stockfish analysis for lichess.org
↑ +2 today
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Strong chess engine
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JFXChess - Chess Program
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The Turn Based Strategy Game/eSport. Master your beasts! 🐺
↑ +1 today
Play chess in any terminal. Rust TUI, Stockfish, Lichess.
↑ +1 today
Chess variants server
↑ +1 today
A Rust library for chess and chess variant rules and operations
↑ +1 today
Super aggressive chess engine
↑ +1 today
Advanced Chess Assistance System for Chess.com, Lichess.org, Pychess.org and more. Hassle-free 1-click install, no downloading. All devices and browsers supported.
↑ +1 today
Chess and chess variant rules and operations in TypeScript
↑ +1 today
Tablebase server
↑ +1 today
0x88 chess engine written in C++ ♘
↑ +1 today
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