One of the best Prodigy hacks
An easy-to-use, working NitroType hack for typing at insane speeds!
Fully async, multithreaded, predictive, open source, 3.01 reach
Your collection, your way
Odamex is a free, cross-platform, modern client-server Doom engine
Arianne is an engine to develop multiplayer online games like Stendhal
Mech Station Beta - Tower Defense like Game
JavaScript framework to build game engines, games, emulators and apps
Infinite Yield FE is a powerful FE admin script for Roblox
The multiplayer game engine
Java Settlers
Console based rcon client for minecraft servers.
Java decentralized cross-platform network multiplayer game engine
C++ game libraries plus server.
Source for the Flash-based Glitch client
Cross platform administration tool for Source Engine dedicated servers
The original Xivio.com World Server Core
Art and source for Glitch's customizable avatars