Top 20 NuGet xamarin Packages

Quick library for helping to read in content from xml files
Smart Xamarin support library
A simple and light WebSocket client. Can be set to ignore SSL/TLS server certificate issues (use with care!). Easily and effectively observe incoming message using Reactive Extensions (Rx)
A Xamarin binding of the Android Image Cropper library.
Interface that allows Internal Navigation Testing for Behaviour Driven Development Test Library for Xamarin.Forms
MonoGame library to easily show messages to the player via toast popups
Unified Maps provides a Xamarin.Forms map control for iOS and Android apps. It is designed to be a near drop in replacement for the Xamarin.Forms.Maps package but with enhanced functionality.
Simple MVVM (Model, ViewModel, View) Framework for Xamarin.Forms
Redbridge SDK portable client SDK library for iOS
RepeaterView custom control for Xamarin.Forms
Material Chip View can be used as tags for categories, contacts or creating text clouds.
Custom control for your Xamarin.Forms project ot turn your buttons into elegant circle buttons with an icon. Customizable border thickness and color. Ensure you call ButtonCircleRenderer.Init() on each platform! Built against: 3.1.0.697729
Bot Framework Direct Line client made just for Xamarin.iOS and Xamarin.Android.
CarouselView for Xamarin.Forms
The Facebook Solution Framework (FSF) for .NET contains everything you need to build Facebook Apps for web or mobile platforms. Easily integrate Facebook Login and Graph API.
Xamarin.iOS binding Library - Mapbox Navigation
The ShowcaseView library is designed to highlight and showcase specific parts of apps to the user with a attractive and flat overlay.
Smart navigation library wndows forms provider
Xamarin.iOS Port of the Nohana Image Picker for iOS
A simple http tracing library to write request and response information to your output window. Making your life easier when debugging http calls!