Oxite:Open Source Blogging Platform from Microsoft

Oxite is an alpha version of  open source content management system released from Microsoft. The source code for the software is available under the Microsoft Public License. While Microsoft mostly describes Oxite as a blogging platform, the Oxite team also points out that you could use it as a content management system to develop more or less any type of site. Oxite currently powers Microsoft’s own Mix Online and also uses some recycled parts from Channel 9 .

Some of the major features of the software include support for Gravatars, pingbacks, trackbacks, RSS feeds, commenting, and the MetaWebLog API (so you can use your favorite blogging client to post to your Oxite blog directly).

http://visitmix.com/Lab/Oxite