scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Full featured MUD server with all the trimmings.
An advanced flexible game engine for Java.
Built to be ease of use, with no programming knowledge, Multi-platform
Java Game Engine Project
Java Game Engine
Free Android 2D OpenGL Game Engine
Role Playing Game Engine
UtiliGame is a light-weight game engine written in Java.
A game engine in java for 2D strategy games
Java game engine for shoot 'em ups, using Java2D.
Framework for a graphical point and click adventure game in Java
Pig2D is a game engine for Java that uses a sprite-based interface.
Free MMORPG Engine. Develop and host graphical browser-based games.