Real Time Strategy game engine supporting early Westwood classics
Arianne is an engine to develop multiplayer online games like Stendhal
Java Settlers
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
An environment to develop games based on a rectangular board
Free strategy browsergame engine.
Library for creating turn-based games with simultaneous moves.
A mobile tower 3D tower defense/defend the flag game
A game engine in java for 2D strategy games
A generic C++ MUD server featuring a strategy-style hexagon map