It's got a NodeJS (Coffescript) backend and uses socket.io for real time communication with a Coffeescript frontend.
Projects/Users are stored in MongoDB.
I'd happily go into more detail if anyone is interested
Uses websockets for real time design review collaboration. I've spent the past 6 months working on it and got it in a very releasable state, unfortunately I don't have the time/expertise to get it out there.
Simple JS snippet to embed a hackernews comment feed on your page. With optional HN style theme!
The hosted version is on a small box so may struggle under load, also feeds are cached for 5 minutes so may take a while to update, if you want to customise this checkout the source and self host.