UCI chess engine
Chess Database and PGN viewer
A free Chess program for Windows with a large set of features
The SCID 5 format in a clean, deterministic, modular architecture
RTSish Game Engine
a wow model explorer
Vivid3D is a C++ IDE/3D engine, with python scripting.
Interface für UCI kompatible Schachengines
OgreWin3D
Battle alone or in teams with ships from Star Wars against others.
GameServer is a sophisticated, game server designed for online games
A collection of games representing each gaming generation.
A free 3D game engine to create games and realtimes scenes for Windows
A 16 bit style game on the 16-bit IBM XT.
C++ lightweight cross-platform game engine
a UCI chess engine
Vivid is a modern C++ 3D engine using OpenGL4+
Open RealStrategyGameLibrary (Engine)
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.