Hub board is a simple tool built on top of GitHub Issues to help you rapidly interact with issues assigned to you. Just log in with GitHub and go!
Currently Hub board is in a "pre-alpha" state, meaning there are a lot of tasks still waiting to be finished up. Don't let that dissuade you though, it's ready to be used today! In fact, Hub board is being used in the development of Hub board.
Join #hubboard on the Freenode network if you have any questions
You can read more about behind the scenes of Hub board on the about page.