Also, I was thinking that a widget would be good, so existing sites could let its users know it's looking for development help. These sites would build up a record of people that have contributed code.
It is certainly something I could use as well. It's so hard to figure out what to write OS-wise (That's the number one question during interviews: Have you ever contributed to open source, and I always say I don't know what to do or haven't found one to work with).
I have to figure out a name, but for now I will start doing some development, and mockups and see what I can come up with.
bbommarito - I had the idea that you might want to work on one of my sites for a convertible note or straight equity. Ping me if interested (or anyone else) - at least you'd be standing on something already there. It hasn't launched but once it does, it really needs another piece to give it something that could gain decent traction. It uses Django.
I can also help with this idea too if you like (inc. mockups) - an idea which really comes about from this situation I find myself. For a domain, you could use hackerbrain .com which I can give.
What's the app? Kind of curious now.
Even Github lacks some neat discussion systems that might be nice to see somewhere.
Provide a realtime chat if you can, ie like: https://github.com/isaacsu/twich Give it a timetable so each project has a set time for participants to chat, (the project in question is displayed at the top of a page.) You can also record chats, and offer multiple rooms.
Maybe a Q&A archive for each project, along the lines of http://forum.twich.me/ or http://formspring.me