Node.js and MongoDB on Windows Azure

Ogre3D is an open source 3D graphics engine that powers many great games.
Microsoft Open Technologies, Inc. helped the Ogre3D community porting the engine to Windows Phone 8.
This video gives you a short overview of the Ogre3D engine running on Windows Phone 8.
You can learn more about recent added support for Windows Phone 8 in open source and cross platform frameworks here.