Real Time Strategy game engine supporting early Westwood classics
Open source library for N64 development
Gideros Release version
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.
Asphyre is a cross-platform framework for Delphi and FreePascal.
A game engine written in the D programming language
Free strategy browsergame engine.
A mobile tower 3D tower defense/defend the flag game
A game engine in java for 2D strategy games