I finally open sourced Quizzimoto . Quizzimoto is an application that lets you build video-based quizzes. My goal was to do something interesting in the educational space using Ruby on Rails and YouTube APIs. I used Quizzimoto as a sample application in my tutorial, Google I/O 101: Using Ruby on Rails and YouTube for Education . If you're interested, here's the source .
Ad maiorem Dei gloriam inque hominum salutem.