Moonlight 3 Preview
Moonlight, the Linux version of Silverlight, has produced its first preview release of Moonlight 3. You may recall that in the recent Moonlight 2 release they shipped both their equivalent of Silverlight 2 as well as a number of features from Silverlight 3 (such as out of browser support). This preview of Moonlight 3 focuses on supporting a greater array of Silverlight 3 features.
You can get the Moonlight 3 preview as either binaries or source code.