Desktop/Android/HTML5/iOS Java game development framework
A simple cross-platform game engine for creating old-school 2D games
Arianne is an engine to develop multiplayer online games like Stendhal
Java Settlers
8-bit Graphical API for Java
CSG for jMonkey
Source code of the chapters of the book 3D Game Development with LWJGL
Example code for creating a 2D platform game in Java.
X3D Prototypes for the SMUOS Component
Java Gamepad API for multiple platforms
MultiLingual Interactive Fiction
Open Source Virtual World and MMOG Development Platform
Decodes the login credentials stored by the minecraft launcher
Framework for a graphical point and click adventure game in Java
AMOS BASIC reimplementation in Java
A cross-platform Java 2D graphics library using OpenGL.