Binary Conversion Calculator
Two projects in one so far: to learn foreign words and read books
Graphics generator for pie diagram matrix from spreadsheets
platform for addicted MMORPG players
Single-player text-based adventure, written in Java
A set of Forge mods for Minecraft. (API, Stargate, custom signs...)
Old School gaming tool for GMs of AD&D/OSRIC.
Create HyperSpin XML lists quickly and easily
A battle engine for a strategic computer game
MultiLingual Interactive Fiction
A platform to play and create text adventures.
Quiz Game SWT
Board game Mondrago for Android platform.
Sudoku solver written in Java (Spanish Language)
CoffeeMudForAI is plaform to design AI in
DiaT is a Textadventure
Modular Minecraft server plugin - commands, events, ...
An 8 bit emulator created on the scratch, including an assembler.
A tool for roleplaying gamemasters
Unless you're getting started in Java, you probably don't want this.