Endless Sky is a sandbox-style space exploration game
Real Time Strategy game engine supporting early Westwood classics
Arianne is an engine to develop multiplayer online games like Stendhal
Open source FPS/RTS Game
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
The forever free, ad-free and open source chess server
A space race game in the style of A Dark Room
Fast and robust map analyser for Brood War.
Modification for Age of Empires III
An adaptive skirmish AI for Warzone 2100.
Free strategy browsergame engine.
FreeTown is a city simulator game.
A mobile tower 3D tower defense/defend the flag game
Speech commands for Riot's League of Legends
Editor for the video game Startrek Fleet Operations
Cross platform 2D game creation framework with Python bindings
A game engine in java for 2D strategy games
In Development Pre-Alpha Version of Dark Sun, a Strategy Game