UCI chess engine
Mangos ZERO is a server for World of Warcraft
Cross-platform, open source, and super fast MUD client with scripting
RPG Maker 2000/2003 and EasyRPG games interpreter
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
A free Chess program for Windows with a large set of features
Cross-platform real-time strategy game (3D)
Synthetic Vision/Sectional Maps for experimental aircraft.
3D C++ Game Engine - yet another open source game engine
An End-To-End, Lightweight and Flexible Platform for Game Research
Fast and robust map analyser for Brood War.
Controller-Pilot Data Link Simulator for procedural and radar training
2D Editor to manage garden or flat plan
The Flight Simulator Quick Access Recorder and Analyzer
extreme 3D flight simulator with advanced terrain rendering
Free-roaming 3D racing game featuring advanced terrain rendering
3D Game engine
C++ Framework for slot machine games
Kinect based controller.
SuperWikia: The Runtime/Realtime Environment for Codesmiths
Pear3DEngine is a modern and modular 3D development framework