Top 20 NuGet portable Packages

A *SIGNED* open source C# helper library for communication with the Zipabox controller from Zipato. It's a Portable Class Library (.NET 4.5, Windows Phone 8.1, Windows Phone Silverlight 8 and Windows 8.x).
Genesis.Analytics.Raygun is a Raygun implementation for Genesis.Analytics.
Implementation of the data sources provided by Windows AppStudio. This library enable access to different data source like RSS, Bing, Facebook, Flickr, Instagram, Twitter and YouTube.
Make cross-platform app MVVM-ready with only single lightweight small binary or file.
This is a stripe portable project for creating card Token
A light-weight and easy to use cross-platform audio recorder for Windows UWP, Xamarin.iOS, Xamarin.Android, Xamarin.Mac, and Xamarin.Forms.
.NET Standard SDK for Nest's REST and Streaming APIs. Monitoring and control Nest Cam, Thermostat and Protect using C#. https://nest.com
Easy-to-use licensing library for .NET Framework, Mono, .NET Core, and Xamarin products.
Multi-target mapper for AutoMapper.
Global.VideoPlayer provides a Xamarin.Forms video player control for iOS and Android apps.
PAM membership provider for portable FTP server
Unix file system for portable FTP server
[codingfreaks] portable utility library
Microsoft PRISM 4.1 ported to Portable Class Library and Microsoft.Composition. Namespaces are not changed for convenience.
A portable api for filesystem io using a unified interface.
Yet Another Math Parser (PCL Version) enables you to parse complex (numerical) expressions with a syntax that is quite close to MATLAB's syntax.
PortableExtensions is a set of .Net extension methods build as portable class library. PortableExtensions enhance the .Net framework by adding a bunch of methods to increase developer’s productivity.
Simple helper that provides message queuing for any class.
Simplify your developments with this collection of helpers and extensions methods.