OpenRPG is an Internet application that allows people to play Role Playing Games and some miniature based war games in real-time over the Internet. OpenRPG helps facilitate character tracking, miniature battles, and adventure building.
OpenMMOd is a open-source event-driven MMORPG Server written in C++ with a YAML packet definition backend. It is MySQL database driven currently with future backend support to come in the future.
A web-based Guild management system for Guild Wars. Includes build/spell library, links, guide tracker, news, and a number of other useful features for coordinating and running a Guild.
CrystalNight is a web-based CGI game engine for a genre of game best described as "breeding" game. Meaning you, breed/train monsters/animals/etc. This is a game engine so the specifics for any game using it would need to be defined in the database.
Spells and Stuff is a Python based web roleplaying system, that allows a DM(Dungeon Master) to create potentially unlimited graphical worlds and will allow multiple players to graphically explore them via a standard web browser.
Humans vs. Zombies is a game of moderated tag. A group of human players attempts to survive a zombie outbreak by not being tagged by zombie players. See humansvszombies.com for more. The HVZ program is a Django application that administrates this game.