andweaccelerate 

Unofficial Silverlight Unit Testing Framework package. Contains Microsoft.Silverlight.Testing.dll and Microsoft.VisualStudio.QualityTools.UnitTesting.Silverlight.dll from Silverlight Toolkit.

This project is a complete (less AES cryptography) port version of the C# library SharpZiplib. The library has been converted to be used with Windows Phone 7

XMPP library that supports X-FACEBOOK-PLATFORM SASL mechanism

This library allows developers to create the 'sign into social network' experience for their Windows Phone apps.