BitBin

A pastebin site featuring numerous syntax highlighting options, paste versioning, comments and a Bitcoin revenue share program. Based on pastebin-django.

TileDoodle

A social drawing site where users collaborate on drawings by completing tiles that make up a drawing. Since each user can only see only a part of the entire drawing, the whole drawing isn't seen by anyone until all of the tiles are complete.

Markovstuck

Based on Homestuck, Markovstuck is a web application that creates pages based on the web comic using Markov chains. The pages can be voted on by visitors, with the best pages appearing in the leaderboards.