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

A free and strong UCI chess engine

A TypeScript chess library for chess move generation/validation, piece placement/movement, and check/checkmate/draw detection

Sunfish: a Python Chess Engine in 111 lines of code

Open source neural network chess engine with GPU acceleration and broad hardware support.

A chess library for Python, with move generation and validation, PGN parsing and writing, Polyglot opening book reading, Gaviota tablebase probing, Syzygy tablebase probing, and UCI/XBoard engine communication

Chess reinforcement learning by AlphaGo Zero methods.

New Lichess mobile app in Flutter

lichess.org former mobile application / new one -> github.com/lichess-org/mobile

JavaScript chessboard

UCI chess engine

The Turn Based Strategy Game/eSport. Master your beasts! 🐺

Create your own tiny chess bot!

A multiplayer chess platform

Pokemon Auto Chess Game. Made by fans for fans. Open source, non profit. All rights to the Pokemon Company.

A work-in-progress chess bot written in C#

The Ultimate Chess Toolkit

Effortlessly transmitting Morse Code of chess moves to your butthole 💝

Mobile/Web chess UI for lichess.org

Distributed Java game server, including cluster management server, gateway server, hall server, game logic server, background monitoring server and a running web version of fishing. State machine, behavior tree, A* pathfinding, navigation mesh and other AI tools

Implement AlphaZero/AlphaGo Zero methods on Chinese chess.

Maia is a human-like neural network chess engine trained on millions of human games.

The Stockfish chess engine for web browsers

Play chess via GitHub

A bridge between Lichess bots and chess engines

Play chess in the terminal. Rust TUI, Stockfish, Lichess.

A simple chess AI

Play chess in your terminal

Distributed Stockfish analysis for lichess.org

WintrCat's Game Report ♟️