bc3tech 

Enables Microsoft Application Insights logging from Windows Desktop (Forms, Console, etc) applications

The Flurry Analytics SDK for Windows Phone 7, 8, 8.1 (Silverlight)

A package that enables the use of the async/await pattern with Microsoft's Live Connect SDK on Windows Phone.

A mock in app purchase library to test in app purchases without needing to submit your app to the store

A package that adds the async/await TPL capabilities to System.Net.WebClient. These were previously available via the Async CTP, but weren't brought forward in .Net 4.5 on Windows Phone 8

Adds the Tuple back in to System namespace for usage in Windows Phone projects

C# source code implementing a .Net equivalent of Python's namedtuple functionality (http://docs.python.org/dev/library/collections.html#collections.namedtuple)