Browse free open source Real Time Strategy games and projects for Mac below. Use the toggles on the left to filter open source Real Time Strategy games by OS, license, language, programming language, and project status.
RTS game with the theme of Strategy by Design
Real Time Strategy game engine supporting early Westwood classics
The forever free, ad-free and open source chess server
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Seven Kingdoms: Ancient Adversaries
Endless Sky is a sandbox-style space exploration game
A simple turn-based artillery game and also a real-time strategy game.
Arianne is an engine to develop multiplayer online games like Stendhal
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Open source clone of the Age of Empires II engine
Classic Dune. Modern Controls.
Widelands is a free, open source real-time strategy game
Remake of the classic Caesar III game
Cross-platform, GPL reimplementation of the classic : Syndicate
Modification for Age of Empires III
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
Open source revival of the game Transarctica / Arctic Baron
Europa Universalis 4 save game editor