Top 20 NuGet pcl Packages

Custom control for Xamarin.Forms to view a progress ring. Colors are adjustable. It also supports "progress to" animations similar to the ones that come with the Xamarin.Forms progress bar. Built against: 2.3.4.270
Uses Rx v2.5.5
Custom control for your Xamarin.Forms project to validate entries. With this plugin you can validate an email entry, a entry with length, entry when is password, or compare two Entries. Available for Android, iOS and UWP Built against: 2.3.4.224
Custom calendar control for Xamarin.Forms. Customizable border thickness, color, background colors and formats. Version 1.0.8 or lower Built against: 2.1.0.6521 Version 1.1.0 or above Built against: 2.3.4.231
System.Drawing (GDI+) backend for NGraphics
iOS (CoreGraphics) backend for NGraphics
NGraphics is a cross platform library for rendering vector graphics on .NET. It provides a unified API for both immediate and retained mode graphics using high quality native renderers.
Bonjour support for .NET Standard, .NET 4.5, .NET Core, Xamarin, Windows Phone, Windows Store/UWP
Salesforce for Xamarin SDK is a cross-platform API for Salesforce supporting Xamarin.Android, Xamarin.iOS, Windows Phone Silverlight 8 and 8.1, Windows Phone 8.1 (WinRT), Windows 8.1 (WinRT) and Universal Windows Platform.
RxApp view bindings and navigation support for XamarinForms.
Simple platform independent key/value storage for iOS and Android (Xamarin). PCL implementation.
Provides work-arounds of some advanced reflection functionality generally unavailable under PCL code. Forked from the popular Nuclex Framework.
Provides helper utilities required by the Nuclectic Framework. Forked from the popular Nuclex Framework.
Provides implementations of specialized collections required by the Nuclectic Framework, including: Dequeue, ObservableList, Pool, TransformingReadOnlyCollection, and WeakCollection. Forked from the popular Nuclex Framework.
Abstractions for an input management system that can poll for input from keyboard, gamepads, mouse, and touchpanels. Forked from the popular Nuclex Framework.
Provides an InputManager that can poll for input from keyboard, gamepads, mouse, and touchpanels. Make sure to wire in functionality from Nuclectic.Input.* packages that match your target platform. Forked from the popular Nuclex Framework.
Provides a starting point for a skybox special effect. Forked from the popular Nuclex Framework.
Abstractions for shared functionality for Nuclectic special effects libraries, including a StaticMesh. Forked from the popular Nuclex Framework.
Provides shared functionality for Nuclectic special effects libraries, including an implementation of a StaticMesh. Forked from the popular Nuclex Framework.