Command and Conquer: Red Alert original source code
Arianne is an engine to develop multiplayer online games like Stendhal
Europa Universalis 4 save game editor
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Mech Station Beta - Tower Defense like 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.
Open RealStrategyGameLibrary (Engine)
The classical MasterMind game revisited
The forever free, ad-free and open source chess server
Fast and robust map analyser for Brood War.
A snarky 2D management game about building and running a dungeon.
Ultimate Mod created for the game Homeworld 2
Fom the developer that brought you FlappyBirdPC comes OpenTTDFree.
Unique web based space strategy game written by Andras Nemeth
the open source browser strategy game
Cross platform 2D game creation framework with Python bindings
This program is a basic way of the "oldschool"-game Tic Tac Toe