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
Cross-platform real-time strategy game (3D)
Real-time Strategy
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Open source FPS/RTS Game
Lines a game written in Python two players through internet
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
RTSish Game Engine
Open RealStrategyGameLibrary (Engine)
WeComeInPeace is a simple RTS game that aims towards multiplayer
The classical MasterMind game revisited
God game: wage war from the stone age to the future
open source K240 remake
Simple animation of a journey at light speed
Repairs unviewable 'Warcraft 3 Replays'