Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Lines a game written in Python two players through internet
Crossfire RPG Game Weather Patch -- Now a branch on the official repo!
Multi scripts for CS:GO that do just about everything
Olympia PBEM code
A Minecraft clone for 1.8.X multiplayer
My fork of Manic Digger
A fantasy real time multiplayer strategy game with player scripted AI
Star Trek Web browser game
Advanced Wasteland mission using ACE for Arma II
Bow and Arrow BullsEye game plugin for Minecraft Bukkit servers
Unique web based space strategy game written by Andras Nemeth
Wizard of wor HTML5 remake.
Open Source Virtual World and MMOG Development Platform
A minecraft clone thing on the cube 2 engine
Multiplayer snakes and ladders game Script
LetsPlay is a bukkit plugin.