Top 20 NuGet phone Packages

The Scrypt (Silverlight Cryptography) library adds RSA Encryption, Decryption, Signing and Verification for Silverlight and Windows Phone 7. Key generation is performed asynchrounously so as not to block your UI. This library has been used successfully in Windows Phone 7 apps offered through AppHub....
API for sending push messages to Android devices using the Google Android C2DM service.
Telerik Analytics enables easy application analytics in your .NET application.
ItemsControl providing 2d / 3d cover flows and other flow layouts for Windows Phone 7
API for sending push messages to Windows Phone devices using MPNS.
The project contains interfaces, and adapter and facade implementations of the interfaces, that mirror functionality in several classes in the Windows Phone 7.1 SDK. These interfaces and adapters can be used to increase testability when developing Windows Phone applications.
Contains a collection of tools to overcome certain limitations of networking on the Windows Phone platform, like a DNS and (S)NTP implementation.
PhonePerformance is a Windows Phone 7 assembly with classes to enable better performance for ListBox scrolling and Image display by delay-loading content and pushing as much work off the UI thread as possible.
This is a Prism Interactivity library ported for Windows Phone 7.1 RC.
This is a Prism library ported for Windows Phone 7.1 RC.
This package adds support for Ninject to the Prism library for Windows Phone 7.1 RC.
VERY Compact UnZip library for performing UnZip of zip-files in Silverlight 3, 4 and Windows Phone.
Silverlight unit testing framework for Windows Phone 7
TrialManager is a simple piece of code that you can add to any WP7 project to help manage the behavior of your trial apps. TrialManager will also make it easier to simulate you application running in Trial mode when creating your apps.
A Windows Phone 7 Control Library providing in-app advertising support for multiple ad-networks.
When you install the Windows Phone SDK this file can be found in C:\Program Files (x86)\Microsoft SDKs\Windows Phone\v7.1\Libraries\Silverlight however that doesn't make it very friendly when people open it without the SDK or you want everything in one place so this simple Nuget package solves that.
Controls for Windows Phone: WatermarkTextBox, WatermarkPasswordBox
a collection of utility classes which save you time and help you write testable wp7 applications
WP7AppLifeCycleService helps WP7 applications manage tombstoning easily by doing the heavy work and with SoC (Separation of Concerns) in mind. Tombstoning becomes a piece of cake.