Top 20 NuGet android Packages

Xamarin.Android Bindings for Akshay Sharma's Ariana, a multi color background library. Provide Multiple Gradients in ImageViews and Texts.
A simple animation with tanslation or scale views for Xamarin.Android.
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.
Instagram like gallery dot indicators
Xamarin.Android Bindings for David Rawson's Spinner DatePicker, a styleable DatePicker for Android using the old spinner style (NumberPickers)
Full aspect ratio grid LayoutManager for Android's RecyclerView. A drop-in custom layout manager for Android RecyclerViews to layout a grid of photos while respecting their aspect ratios.
Xamarin.Android Binding for Haruki Hasegawa's Material Shadow 9-Patch. This library provides 9-patch based drop shadow for view elements. Works on API level 14 or later.
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...
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.
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.