Top 20 NuGet droid Packages

Draw a chart with progress bar style
Elastic view is a regular CardView, which can flex from user touches
Bring awesome Windows Phone 7 and Windows 10 progress bar to Android applications
An Android custom rounded Progress Bar that supports different Colors as progress both primary & background colors. Allows you to animate the progress for a specific duration.
Xamarin.Android charts, including line, ring, bar, radar, diagram etc
A simple layout working as a switch on-off button for Xamarin.Android
A custom compass item, with full options to change styles.
Ticker is an Android Library which can be used for different countdown Timers, and Loaders.
Charts/graphs library for Android compatible with API 8+, several chart types with support for scaling, scrolling and animations. Works best when hardware acceleration is available, so API 14+(Android 4.0) is recommended.
Sticky header for Android RecyclerView. You can make sticky items in RecyclerView with this library.
Easily get you GPS based location from Android Devices
Xamarin.Android Binding of Yarolegovich's LovelyInput
Easily add and customise "New Post" popup button with the feeds (RecyclerView) of your Xamarin.Android app.
Easily gather feedback from any Xamarin.Android application. Get detailed information on the email.
Xamarin.Android Binding for Kotlin Standard Library for JVM (org.jetbrains.kotlin:kotlin-stdlib). Note: This is an "EmbeddedReferenceJar". It will not generate any Android Callable Wrappers (ACW) and C# API.
Simple graph view that is similar to the ones you see on coin exchange sites.
Configurable Custom Crop widget for Xamarin.Android
A calendar that allows you to select both a single date and a period. It Allows you to change colors programmatically without reference to the theme.
The library for creating book and card flip animations in ViewPager in Android
A music progress bar view that loads music file data then shows it in visualizer bar like SoundCloud