I've been doing some little side projects to keep my sanity right now... this one was to brush up on my SQL and PHP.
Play THE ABRUPT GOODBYE
It's a conversation generator. Players can play either side of a conversation. You can choose from preset responses or type your own. If you type your own, that response is saved as a pregenerated response for future players.
Partly, this is an experiment in user-generated content. How does one best set up a "society" that consistently creates quality content?