Cross platform administration tool for Source Engine dedicated servers
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
Hitman Bukkit Plugin by Arasus
Home Theater Software
Battleship through network
An e-stim signal generator in java
Teach beginners chess over internet
An OpenSource (C# .NET) TeamPlay Environment.
Simple server list with direct connect via scripts.
Converts log files (with color codes) to readable html files.
A strategy game written in Java
Source code for the Krabat adventure
Java Client + JS/Canvas Server-Side System, with maintained Objects
Minecraft RPG Server
Fast Minecraft Classic Server
Open Source Virtual World and MMOG Development Platform