Oculus Rift Virtual Reality Headset (coming Spring, 2013). Won Verge's "Best of Show" for 2013 CES. Funded by Kickstarter and anticipated as the first serious advance in VR for years. List $300, and game companies are planning to integrate the Rift into several first-person games: http://www.oculusvr.com/ Jan, 2013

Ibex Virtual Reality Desktop (Beta for Linux & Mac Mountain Lion) with iPhone app designed to be a testbed for Oculus Rift VR headset (above). Free, and check out the videos to see what Ibex will do: http://hwahba.com/ibex/ Jan, 2013

Class2Go is Stanford's open source MOOC delivery and management system. Designed for powerful analysis of data on student and course performance. There's a Github site for code download and a Stanford site for courses available on Class2G. Class2G developed in Summer, 2012, and still has Stanford-specific components, but it's ready to install and try. Jan, 2013

HTML5 demonstration site with MANY examples: http://fff.cmiscm.com/#!/main