A turn-based multiplayer shooting game in the style of Worms
SkipBo! server and Qt client
The IRC's Talking Robot
Source for the Flash-based Glitch client
The original Xivio.com World Server Core
Cross platform administration tool for Source Engine dedicated servers
Battleship through network
Teach beginners chess over internet
An OpenSource (C# .NET) TeamPlay Environment.
A strategy game written in Java
Java Client + JS/Canvas Server-Side System, with maintained Objects
Open Source Virtual World and MMOG Development Platform
A multiplayer Blackjack game which works over the internet
Turn your android device to a game wheel in seconds
Modular Minecraft server plugin - commands, events, ...
A program to play games through a server with other users.
A multiplayer First-Person-Shooter game built in Java 3D
program to manage installation of Minecraft Mods for client and server
An open source chess server with client