Zoomable user interface (ZUI) with file manager, file viewers and more
Program for tournament management.
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
Java Settlers
Legatus is network playable Renegade Legion
SJCE - free portable cross-platform graphical chess game, 100% Java.
Chess Database Application
A simple 2D-Chess
A Simple Yahtzee like game.
An Open Source RPG - a tabletop game
Multi-user whiteboard emphasizing simplicity.