Top 20 NuGet custom-view Packages
The ShowcaseView library is designed to highlight and showcase specific parts of apps to the user with a attractive and flat overlay.
Xamarin.Android Binding for Hammad Akram's Sneaker v2. A lightweight Android library for customizable alerts
Xamarin.Android Binding for Pierfrancesco Soffritti's Sliding Panel. An Android sliding panel that is part of the view hierarchy, not above it
Android layout to show template for loading, empty, error etc. states. To do that all you need to is wrap the target area(view) with StatefulLayout.