Fast and lightweight JavaScript game engine built on WebGL and glTF
CTFs as you need them
Gideros Release version
Arianne is an engine to develop multiplayer online games like Stendhal
An environment to develop games based on a rectangular board
Java decentralized cross-platform network multiplayer game engine
Free strategy browsergame engine.
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A game engine in java for 2D strategy games
Java game engine for shoot 'em ups, using Java2D.
AMOS BASIC reimplementation in Java
A cross-platform Java 2D graphics library using OpenGL.
The next generation mud is an open-source extensible, programmable mud