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
War of seventh kings
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
Clone of Urban Assault with new Graphics.
An online multiplayer tactical warfare game for fast action combat!
Map render tool for 2d RTS games
Classic Dune. Modern Controls.
A simple turn-based artillery game and also a real-time strategy game.
A free engine for C&C Tiberian Dawn
Opensource RTS game
Cross platform 2D game creation framework with Python bindings