The Tiny JavaScript Game Engine That Can!
Magic Another Game Engine
Python MUD/MUX/MUSH/MU* development system
A basic gameboy emulator with terminal "Cloud Gaming" support
custom Minecraft server files update program
tiny code, html webcam game or plug brain in each blob, java server
A simple telnet (and possibly SSH) server
Source for the Flash-based Glitch client
Art and source for Glitch's customizable avatars
A desktop client for Battle Tech online games