Top 20 NuGet xamarin Packages

Bonjour support for .NET Standard, .NET 4.5, .NET Core, Xamarin, Windows Phone, Windows Store/UWP
Xamarin.Forms Control for showing simple HTML Text in a Label
FastListView
Material-Calendar-View-for-Xamarin is a simple and customizable calendar widget for Xamarin.Android based on Material Design. The widget has two funcionalities: a date picker to select dates (available as an XML widget and a dialog) and a classic calendar. The date picker can work either as a single...
Provides MFractor Config for Prism applications using the QuickStart Templates
RibbonView for Android
Xamarin bindings for Android HyperTrack.
Modern OpenGL bindings for C# - Math Data Structures. Implements most blittable data structures required for OpenGL interop. Vertices, matrices and colors. Implements most of basic old-school OpenGL matrix math, i.e. projections or transforms.
CollectionView provides Xamarin.Mac support for data features like sorting, grouping and filtering with the NSTableView control. It enables support for advanced features such as pull-to-refresh and incremental, on-demand loading.
A swipe button for Android with a circular progress bar for async operations
Android View that have a value that can be incremented and decremented by one.
An Android Binding library for SlidingRootNav
This is a binding library for ShadowImageView
An Android Binding library for InfiniteCards
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.
Simple platform independent key/value storage for iOS and Android (Xamarin). PCL implementation.
A RecyclerView control for Android, Incremental Collection for Windows Apps
Custom control for your Xamarin.Forms that allow you to use a checkbox in your cross platform projects. Ensure you call CheckboxRenderer.Init(); on each platform! Built against: 2.1.0.6529
Holisticware.Sigil.Xamarin Sigil package for Xamarin.Android NOTE: Xamarin.IOS not supported because of System.Reflection.Emit needed by some libraries like (JIL JSON serialization)