marcojak 

This plugin allows you to add Banner, Insterstitial and Rewarded Video Ads to your Android and iOS projects in just a line of code

This package, built on top of the original Active Directory Authentication Library (ADAL), makes extremely easy to authenticate users inside your Xamarin projects. You only need 1 line of code!

This plugin, built on top of the Sqlite-net library, allows you to add a SqLite database to your projects with a sigle line of code