Top 20 NuGet windowsphone Packages

Portable .NET library for the Dropbox API based on Portable HttpClient
Adds ready-made Settings functionality to Windows Phone. Share more code across platforms. Build Charming apps for Windows!
CSNumerics is a .NET Standard class library of various numerical algorithms written in C#. It currently consists of C# implementations of Michael J.D. Powell's optimization algorithms BOBYQA, LINCOA and COBYLA.
CrossPlatformLibrary.FodyTracingAspect is a plug-in for CrossPlatformLibrary's ITracer which allows to trace annotated methods. Simply apply the provided [TracingAspect] annotation and Fody will use your configured ITracer to trace enter/exit of method calls including the duration of the call....
Really Simple Service Discovery Protocol - a 100% .Net implementation of the SSDP protocol for publishing custom/basic devices, and discovering all device types on a network.
An client RPC library (abstract + Json RPC 2.0 implementation) for .Net.
A lightweight PCL framework that helps you develop MVVM Xamarin.Forms applications easily.
An client RPC library (abstract + XML RPC implementation) for .Net.
Emitter is an MQTT client tailored for emitter.io service, allowing real-time publish subscribe. It supports full .Net Framework and WinRT platform (Windows 8+ and Windows Phone 8+).
Crosslight is an advanced development toolset for building rich cross-platform mobile applications with 100% shared UI logic. Supported platforms include iOS, Android, and Windows.
GoFigure provides unified .NET, Silverlight, jQuery, and Windows Phone configuration, providing the flexibility to quickly swap configuration sources from local file-based settings to anywhere you desire (e.g. remote SQL Server storage, WCF XML service, RESTful JSON service, custom, etc.).
Windows Phone Platform Driver for Mogade
Lightweight ActiveRecord-inspired ORM for .NET, Windows Phone and Mono(Touch/Droid)
NFC Share Task for Windows Phone. Build Charming apps for Windows Phone!
Helper classes for building Portable Class Libraries that use the the Model-View-ViewModel pattern and can be deployed to all the following platforms: WPF, Silverlight, Windows Store, Windows Phone, iOS and Android.