Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
2D Game Engine
Alternative Teeworlds Client with many exciting features!
Pioneer, a space adventure game in the 31st Century Milky Way galaxy
A cross platform Lua based game engine
Cross-platform 2D and 3D game engine
Increase your system performance with this easy to use tool
Oblige is a random level generator for classic FPS games
Finite element analysis of electromagnetic devices
Simple RPN desktop calculator, implemented with wxWidgets and Lua.
3D-Accelerated open-source DOOM engine
EDGE is an advanced DOOM source port
Android port of PRIME roguelike
Game engine for playing tomb raider 1 - 5 levels.
Text mode file and archive manager for Windows
Provides a full suite of clients and servers for virtual worlds.