ThinkPHP Framework
Lutris desktop client in Python
Arianne is an engine to develop multiplayer online games like Stendhal
Chess Database and PGN viewer
ChessMD is a Qt-based chess game viewer with engine analysis
A fun realistic multiplayer free-and-open-source first-person-shooter!
A free 3D game engine to create games and realtimes scenes for Windows
GameServer is a sophisticated, game server designed for online games
Visual Basic 6 2D online adventure game engine
Football/Soccer Leagues Manager
The multiplayer game engine
Maintain logs of model rocket flights and your rocket fleet inventory
The forever free, adless and open source chess server
XML-based framework for developing games
Cinema Enters Game Console
A console/ncurses chess engine frontend and PGN editor.
scriptable game engine with built-in support for 2D graphics and sound
Massive Multiplayer Online Wargame Leveraging the Internet
online 4X browser game engine
starrydb is game server engine
IRB is a game creation toolkit
Chess Database application
Extensive Java chess database libraries.