Open source clone of the Age of Empires II engine
RTS game with the theme of Strategy by Design
Cross-platform, GPL reimplementation of the classic : Syndicate
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Cross-platform real-time strategy game (3D)
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
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
RTSish Game Engine
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
A simple gui game that plays the game bagels with users.
Open source revival of the game Transarctica / Arctic Baron
An approach where computer solves problems like a human brain does;
Shows the stats, races and levels of all players in ladder games.
Ultimate Mod created for the game Homeworld 2
A simple turn-based artillery game and also a real-time strategy game.