Real Time Strategy game engine supporting early Westwood classics
Arianne is an engine to develop multiplayer online games like Stendhal
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Cross-platform real-time strategy game (3D)
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
God game: wage war from the stone age to the future
Fast and robust map analyser for Brood War.
The Python/Tk Empire Interface
TicTacGame for tow players and aginst PC