The creator here.<p>You can find the source at: <a href="https://github.com/dfjones/Feedback" rel="nofollow">https://github.com/dfjones/Feedback</a><p>The app is built using NodeJS with express and socket.io.<p>I hacked this together in a matter of hours, so there are definitely things that could be done much better. However, I think this is a great proof-of-concept.