Top 20 NuGet xamarin-android Packages

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Round Corner RelativeLayout for Xamarin.Android
Apache Commons Net library implements the client side of many basic Internet protocols such as FTP/FTPS, FTP over HTTP (experimental), NNTP, SMTP(S), POP3(S), IMAP(S), Telnet, TFTP, Finger, Whois, rexec/rcmd/rlogin, Time (rdate) and Daytime, Echo, Discard and NTP/SNTP
The Apache Commons CLI library provides an API for parsing command line options passed to programs. It's also able to print help messages detailing the options available for a command line tool.
Write your app using System.Net.Http, but drop this library in and it will go drastically faster. This is for Xamarin.Android only.
jsoup is a Java library for working with real-world HTML. It provides a very convenient API for extracting and manipulating data, using the best of DOM, CSS, and jquery-like methods.
Xamarin.Android Binding for Kotlin Common Standard Library (org.jetbrains.kotlin:kotlin-stdlib-common). Note: This is an "EmbeddedReferenceJar". It will not generate any Android Callable Wrappers (ACW) and C# API.
Lightweight Image Cropper for Android which also supports no-crop feature
Simple wrapper library for Android ImageView. If you need an always square or rectangular Imageview, SquareImageView is for you.
LocationProvider is a tiny library that abstracts away a lot of the pain of getting a users location from the phone (without having to call location APIs), provides a fully configurable standard Builder pattern and a set of callbacks.
Xamarin.Android Binding for Qstumn's https://github.com/qstumn/RadarChart
An android view that justifies the text. Gives support to older Android versions because "setJustificationMode" was introduced until API 26
Light Weighted Scratchcard View Library for Xamarin.Android
Scrollable view which can be used to give different choices to user with nice UI.
Lightweight Android easing library
A view animating between two items for Android, supports multiple switching animations or you can customize your own strategy of animations. And its child view can be reused.
An extended ImageView that can stream MJPEG videos.
An Android SDK that provides a new size unit - ssp (scalable sp). This size unit scales with the screen size based on the sp size unit (for texts). It can help Android developers with supporting multiple screens.
An Android SDK that provides a new size unit - sdp (scalable dp). This size unit scales with the screen size.