ntotten 

Super lightweight Json library for .NET 2.0+/SL4+/WP7/WindowsStore Apps/Portable Class Libraries along with dynamic and DataContract support

Single stream representing multiple streams

Mockable HTTP Helper for.NET2.0+/SL4+/WP7/WinRT (supports Task Parallel Library/async/await)

This toolkit is built by Thuzi to give the community a reusable framework developing on Windows Azure.

This package contains the channel file for Facebook which addresses some issues with cross domain communication in certain browsers.

Ember Data is a library for loading data from a persistence layer (such as a JSON API), mapping this data to a set of models within your client application, updating those models, then saving the changes back to a persistence layer.

Moq helpers for Facebook C# SDK.