aritchie 

A cross platform library that allows you to call for standard user dialogs from a shared/portable library. Supports Android, iOS, and UWP

Support libraries for android and ios

ACR Device Info Plugin Information Plugin for Xamarin and Windows Supported Platforms * .NET Standard * Android * iOS * macOS * UWP

ACR Core Extensions

Cross Platform Settings Plugin for Xamarin and Windows. Unlike other setting libraries in the wild, this library provides several unique features * You can store/retrieve just about any type of object (thanks to Newtonsoft.Json) * You can monitor for changes using the Changed event * iCloud... More information

ACR Bluetooth LE Reactive Plugin for Xamarin and Windows Supported Platforms * .NET Standard * Android 4.3+ * iOS 7+ * tvOS * macOS * UWP

Local Notifications, Scheduled Notifications, Badges, and Vibration for Xamarin and Windows

ACR Xamarin Forms Extensions

Just some simple models to have an abstract MVVM model that will work with almost all MVVM frameworks

Allows for messagebox style dialogs to be called from your shared/PCL/MVVM code - Action Sheet (multiple choice menu) - Alert - Confirm - Date - Loading - Login - Progress - Prompt - Toast (Snackbars) - Time On android, be sure to call UserDialogs.Init() before using! Supported Platforms - iOS... More information

Geofencing Plugin for iOS, Android, and Windows

Cross Platform Reactive Bluetooth LE Plugin for Xamarin Supported Platforms Android 4.3+ iOS 7+ Windows UWP tvOS macOS

Estimotes Plugin for Xamarin to allow for cross platform development using the Estimote libraries

Geofencing Plugin for iOS, Android, and Windows

Cross Platform Reactive Motion Sensors Plugin for Xamarin and Windows Available Sensors * Accelerometer * Ambient Light * Barometer * Compass * Device Orientation * Gyroscope * Magnetometer * Pedometer * Proximity Supported Platforms * NET Standard * Android 4.3+ * iOS 8+ * Windows UWP

Cross Platform HTTP (background) transfer tasks for Xamarin and Windows Supported Platforms * Android 4.3+ * iOS 7+ * Windows UWP Features * Background Uploads and Downloads on each platform * Supports transfer filtering based on metered connections (iOS and UWP only at the moment) * Event Based... More information

ACR Background Jobs Plugin for Xamarin and Windows Supported Platforms * .NET Standard * Android 5.0+ (API 21) * iOS 8+ * UWP

ACR Speech Recognition Plugin for Xamarin and Windows Supported Platforms * .NET Standard * Android 5+ * iOS 7+ * tvOS * macOS * UWP

ACR Background Jobs Plugin Autofac Extensions

PCL Library to get nearest location information from a set of coordinates (lat/long). Driven by NGeoNames and GeoNames.org data. This uses cross platform libraries underneath the hood, so be sure to install in your main iOS/Android/Windows projects as well