Reaction is a Quake 3 mod based on Action Quake 2. It includes a decent ignoring system for in-game spammers, a built-in matchmode, and bots that are as good or better than most of the bots in AQ2. All content is original.
A multiplatform, 3D space-combat MMORPG.
An mplementation of a Qt client for socket.io.