Xamarin 

Build native UIs for iOS, Android, UWP, macOS, Tizen and many more from a single, shared C# codebase

Xamarin.Android bindings for Android Support Library - support-v4

Xamarin.Android bindings for Android Support Library - support-compat

Xamarin.Android bindings for Android Support Library - support-core-utils

Xamarin.Android bindings for Android Support Library - support-annotations

Xamarin.Android bindings for Android Support Library - appcompat-v7

Xamarin.Android bindings for Android Support Library - support-core-ui

Xamarin.Android bindings for Android Support Library - support-fragment

Xamarin.Android bindings for Android Support Library - support-media-compat

Xamarin.Android bindings for Android Support Library - animated-vector-drawable

Xamarin.Android bindings for Android Support Library - support-vector-drawable

Xamarin.Android bindings for Android Support Library - recyclerview-v7

SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

Xamarin.Android bindings for Android Support Library - design

Xamarin.Android bindings for Android Support Library - cardview-v7

Xamarin.Android bindings for Android Support Library - common

Xamarin.Android bindings for Android Support Library - runtime

Xamarin.Essentials: a kit of essential API's for your apps

Xamarin.Android bindings for Android Support Library - common

Xamarin.Android bindings for Android Support Library - transition