UCI chess engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Chess Database and PGN viewer
A free Chess program for Windows with a large set of features
Doom-based AI research platform for reinforcement learning
The SCID 5 format in a clean, deterministic, modular architecture
Chess Cheats for Personal use
a UCI chess engine
Android apps.
Build Cross-platform Applications
RelaxChess, chess game that makes no search futher needed for a wow
A fast bot for chess.com
A powerful chess engine written in C++
2D physics engine for games
Develop an emulated Darkfall Online Server.