Top 20 NuGet badgeview Packages

A simple Xamarin.Forms BadgeView to use anywhere in your application. Change the color and apply a number to the badge. That's it!
Xamarin Binding Library - Allenliu Badgeview
A Xamarin.iOS library for adding badges to any UIView, UIBarButtonItem, or position on the screen. You can also animate your badges!
Xamarin.Android library to show reacting badges like Facebook.
BadgeView for Xamarin.Android
Xamarin.iOS Binding Library - LFBadge