A free and open source sudoku game for addicts to newbies
A PaperMC plugin that has many configurable features
A Rust framework for building Minecraft servers
A Forge mod that implements SpongeAPI
Flash Quiz TV (A quiz game for all family)
Open-DIS implements the IEEE DIS protocol in multiple languages.
canarymod plugin to play capture the flag on minecraft
Modular Minecraft server plugin - commands, events, ...
A tool for roleplaying gamemasters
HeroCraft Abilities Using the CraftBukkeit Plugin
Damage calculator and items comparison tool for Diablo 3
LetsPlay is a bukkit plugin.