A multiuser sketchpad based off of MR Doob's chrome experiment: http://mrdoob.com/projects/multiuserpad/
mrdoob.com does not publish the backend to his script so i've been attempting to reverse engineer it for my own uses.
Requires Node.js, socket.io (http://socket.io/)
This is a work-in-progress, but at least the sketching part works! the nickname thing doesn't really work properly.
Now with more jQuery!