Real Time Strategy game engine supporting early Westwood classics
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.
A real-time game development platform
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 retro style video game engine for RPGs and adventure games.
A game engine in java for 2D strategy games
Create your own online real-time browser-based MMO in your website
Basic real-time simulation engine in C++
A cross-platform Java 2D graphics library using OpenGL.