Java decentralized cross-platform network multiplayer game engine
Charlotte's Utilities mod for Minecraft Forge made by Sharshar
The original Xivio.com World Server Core
A Simple and Easy to Use User Interface for Private Bukkit Servers
Simple server list with direct connect via scripts.
Minecraft RPG Server
Open Source Virtual World and MMOG Development Platform
A little side-scrolling game, written in JAVA.
Networked Jeopardy game
A multiplayer Blackjack game which works over the internet
A multiplayer First-Person-Shooter game built in Java 3D
Modular Minecraft server plugin - commands, events, ...
A program to play games through a server with other users.
A Plugin for the Bukkit Server Wrapper system that messes with people!
Free MMORPG Engine. Develop and host graphical browser-based games.
Multi-user whiteboard emphasizing simplicity.