Desktop/Android/HTML5/iOS Java game development framework
Adventure into the dungeon of infinite doors
Open source Old School RuneScape client
Your collection, your way
the java game and entertainment runtime
Build Cross-platform Applications
Massively multiplayer online game server and client framework
Note: Zaxmidlet is deprecated. Current work is on JFrotz for J2ME.
An open multi-platform turn-based strategy game framework