Open source clone of the Age of Empires II engine
Widelands is a free, open source real-time strategy game
RTS game with the theme of Strategy by Design
Seven Kingdoms: Ancient Adversaries
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Cross-platform, GPL reimplementation of the classic : Syndicate
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
Open source FPS/RTS Game
Cross-platform real-time strategy game (3D)
RTSish Game Engine
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Open RealStrategyGameLibrary (Engine)
WeComeInPeace is a simple RTS game that aims towards multiplayer
God game: wage war from the stone age to the future
Fly around an island casting spells, summon monsters, collect mana, a
RTS game for learning Algorithm Design
Fast and robust map analyser for Brood War.
Remake of the classic Caesar III game
An online multiplayer tactical warfare game for fast action combat!
starcraft clone game