awesome-xamarin

A hand-picked bookmark collection of subjectively modern/interesting libraries/tools for Xamarin Android/iOS/Windows/OSX

General
Architecture
Async
Charts
Cloud
Database
Framework
Fody
Game Engine
IO/Storage
IOC/DI
Internationalization
Layout
Media
MVVM
Network
Security
Serialization
Reactive
TDD/BDD
Tools
UI
Wearable
Xamarin.Forms
XPlat APIs
Other Lists

General

AutoMapper ★5,621 - A convention-based object-object mapper in .NET
Humanizer ★3,344 - Manipulation and displaying of strings, enums, dates, times, timespans, numbers and quantities
Fluent Validation ★3,424 - Fluent interface and lambda expressions for building validation rules
NodaTime - Alternative date and time API for .NET
Polly ★4,486 - Exception handling policies such as Retry, Retry Forever, Wait and Retry or Circuit Breaker

Architecture

Behaviors Toolkit ★33 - A means of adding common and reusable interactivity to your Xamarin applications with minimal code
Conditions ★47 - Library that helps developers write pre- and postcondition validations in a fluent manner
Stateless ★2,234 - State Machines

Async

AsyncEx ★1,209 - A helper library for async/await
LinqToAwait ★98 - A Task-based LINQ designed to work with async/await

Charts

OxyPlot - Cross-platform plotting library for .NET
MicroCharts - Create cross-platform (Xamarin, Windows, ...) simple charts.

Cloud

Azure - Microsoft Azure
FireSharp ★471 - Firebase REST API wrapper
Bugfender - Store your application logs on the cloud (iOS & Android)

Database

Akavache ★1,663 - An Asynchronous Key-Value Store for Native Applications
Breeze ★63 - Data management library for developers of rich client applications
Couchbase.Lite ★294 - Lightweight embedded NoSQL database
Lager ★2 - Cross-platform settings storage that uses Akavache as a storage backend
Massive ★1,696 - "wrapper" for your DB tables and uses System.Dynamic extensively
Realm ★676 - mobile database that runs directly inside phones, tablets or wearables
Settings ★58 - Cross platform settings plugin for Xamarin and Windows
SQLite.Net-PCL ★340 - SQLite 3 databases support, PCL, async

Fody

Fody ★2,070 - Extensible tool for weaving .net assemblies
AutoDependencyProperty.Fody - Automatically generates DependencyProperty boilerplate from simple C# properties
PropertyChanged.Fody - Injects INotifyPropertyChanged code into properties at compile time
ReactiveUI.Fody ★105 - Generate RaisePropertyChange notifications for properties and ObservableAsPropertyHelper properties

Framework

Ammy - Modern UI language for XAML platforms. Free for non-commercial development
Appercode.UIFramework ★13 - Allows to build user interface of cross-platform mobile applications with single XAML layout
Fusion ★13 - Cross-platform C#-based mobile app development framework, built on top of Xamarin.iOS and Xamarin.Android
SimplyMobile ★103 - Collection of abstracted mobile functionalities
Xamu-Infrastructure ★96 - Extensions, MVVM classes, behaviors and other misc. useful code bits from Xamarin University

Game Engine

CocosSharp ★464 - C# implementation of the Cocos2D and Cocos3D APIs
MonoGame ★5,203 - Open source implementation of the Microsoft XNA 4.x Framework
Paradox ★1,672 - Paradox3D + Silicon Studio .NET
UrhoSharp - Cross-platform high-level 3D and 2D engine

IO/Storage

io ★6 - Access system folders and files using a familiar api
PCL Storage ★268 - consistent, portable set of local file IO APIs for .NET

IOC/DI

Autofac ★2,120 - An addictive .NET IoC container
DryIoc - fast, small, full-featured IoC Container for .NET
Funq ★2 - High performance DI framework by eliminating all runtime reflection through the use of lambdas and generic functions as factories
LightInject ★312 - Light, simple and stunningly fast IoC container for .NET
Ninject ★2,001 - The ninja of .net dependency injectors
Stiletto ★36 - .NET port of Dagger, the lightweight Android dependency injector from Square
TinyIoC ★583 - Single-class easy IoC container

Internationalization

Resxible ★9 - tool to generate automatically several platform-dependent resource files from a single RESX file
Vernacular ★167 - Cross Platform Localisation, tools to convert standard strings formats
I18NPortable ★48 - Simple and cross platform internationalization/translations for Xamarin and .NET

Layout

Flex - Flexible box layout system.

Media

EZ-Compress ★11 - A simple image stream compression plugin for Xamarin
Fast & Furious Image Loading ★780 - Xamarin library to load images quickly & easily
Lottie ★621 - Render After Effects animations natively on Android and iOS for Xamarin
LibVLCSharp - Xamarin bindings for libvlc, the multimedia framework powering the VLC applications made by VideoLAN.
MediaManager ★259 - Cross platform Xamarin plugin to play Media from PCL
NGraphics ★469 - Cross platform library for rendering vector graphics
PDFReader ★51 - iOS (-only) library to display PDF documents on iPad and iPhone
SkiaSharp - Powerful C# API for doing 2D graphics. It is powered by Google’s Skia library
Splat ★586 - Cross platform image loading, colors and stuff
SimpleAudioPlayer ★14 - Simple plugin for plays local files and audio data as a stream
ZXing.Net.Mobile ★570 - Barcode Scanning Library for MonoTouch, Mono for Android, and Windows Phone

MVVM

Frameworks
- Prism ★2,293 - Cross-platform MVVM development framework
- MVVMCross ★2,610 - Cross-platform mvvm mobile development framework
  - Cheesebaron.MvxPlugins ★79 - A collection of plugins
    - MvxAms - MVVMCross Azure Mobile Services plugin
    - MvxForms - MVVMCross plugin for using Xamarin.Forms
  - Infinite Scroll Plugin ★24 - A Plugin which facilitates forward-only incremental scrolling for a paged data source.
- FreshMvvm ★315 - Super light Mvvm Framework designed specifically for Xamarin.Forms
- MugenMvvmToolkit ★126 - Cross-
- MVVMLight - Cross-platform MVVM development framework
- MvvmNano ★46 - Small and smart MVVM framework made with ❤ for Xamarin.Forms
- ReactiveUI ★3,851 - Rx MVVM framework
Bind ★153 - Bind gives you easy two-way data binding between properties of objects.
Wires - Wires is a simple binding library.

Network

Connectivity - Cross-platform network/connection status
Flurl ★1,230 - Flurl is a modern, fluent, asynchronous, testable, portable, buzzword-laden URL builder and HTTP client library.
Fusillade ★213 - set of HttpMessageHandlers that make your mobile applications more efficient and responsive
Messaging - make a phone call, send a sms or send an e-mail using the default messaging applications
ModernHttpClient ★601 - Accelerates HTTP requests by using mobile-optimized libs (NSURLSession / OkHttp)
NFC - Xamarin plugin for reading NFC tags.
Push Notification - Simple cross platform plugin to handle push notification events such as registering, unregistering and messages arrival on Android and iOS.
Reachability ★25 - Online/offline connected check
Refit ★2,671 - The automatic type-safe REST library for Xamarin and .NET
RestEase ★331 - Refit on steroids, simpler auth, parsing...
RestLess - The automatic type-safe-reflectionless REST API client library for .Net Standard.
Sockets ★180 - An abstraction over the socket helper classes of .NET and WinRT

Reactive

Akavache ★1,663 - An Asynchronous Key-Value Store for Native Applications
ReactiveUI ★3,851 - Rx MVVM framework
Sensors - ACR Reactive Sensors Plugin for Xamarin & Windows
Refit ★2,671 - Refit is a library heavily inspired by Square's Retrofit library, and it turns your REST API into a live interface
ReactiveProperty ★352 - Provides MVVM and asynchronous support features under Reactive Extensions
RxFlow ★18 - Simple Flow Control Library with Rx(Reactive Extensions)

Security

BoucyCastle.PCL ★93 PCL Version of BouncyCastle (Cryptography) targetting .NET, SL, WP and WinRT
Fingerprint Plugin ★160 - Xamarin and MvvMCross plugin for accessing the fingerprint sensor
PCLCrypto ★182 - Cryptography for portable class libraries (MD5,...)
Permissions Simple cross platform plugin to check connection status of mobile device, gather connection type, bandwidths, and more

Serialization

Newtonsoft.Json ★5,812 - Popular high-performance JSON framework for .NET
quicktype ★886 - Instantly generate classes and JSON serialization code from JSON

TDD/BDD

FluentAssertions - TDD/BDD fluent asserts
NBehave ★47 - framework for Behaviour-Driven Development

Tools

Cheeseknife ★52 - a view injection library for Xamarin.Android
GradleBindings ★103 - Visual Studio extension, for referencing gradle libs in Android projects
Material icons generator plugin - Xamarin Studio ★14 & Visual Studio plugin, for adding material icons to android project
Mutatio - Visual Studio for Mac add-in/extension for converting old PCLs to .NET Standard 2.0 targeting projects automatically
PushSharp ★3,971 - A server-side library for sending Push Notifications to iOS (iPhone/iPad APNS), Android (C2DM and GCM - Google Cloud Message), Windows Phone, Windows 8, Amazon, Blackberry, and (soon) FirefoxOS devices!
Twin Tools Add-In ★19 - Productivity plugin for Xamarin Studio
Xamaridea ★68 - Visual Studio extension, opens *.axml files in Android Studio
Xavtool ★13 - Command-line utility to automatically increase iOS / Android / UWP applications version

UI

Passcode ★13 - Xamarin component for locking an app with a passcode
SignaturePad ★109 - Signature Pad makes capturing, saving, exporting, and displaying signatures extremely simple on Xamarin.iOS, Xamarin.Android and Windows
Syncfusion Components - Rich set of UI components and file format libraries for Xamarin.Forms, Xamarin.iOS and Xamarin.Android applications

Wearable

WormHoleSharp ★25 - Communication between Watch and iDevice

Xamarin.Forms

Acr-xamarin-forms ★240 - Camera/Gallery, Barcode Scanning, User Dialogs, Geo-Location, Network Utils, Device Info, Settings, E-Mail, Phone, SMS all for Xamarin.Forms
AdvancedTimer ★34 - Timer object and its methods are implemented for extended support for timers.
Android AppCompat ★34 - Provide Material Design themes now for Xamarin.Forms apps natively without hacks
BadgeView ★27 - A simple Xamarin.Forms control to display a round badge
Circle Image Control - Simple but elegant way of display circle images in your Xamarin.Forms projects
Compass - Provides and simple way to access the compass on Windows Phone, iOS and Android from you Xamarin.Forms projects
Device Orientation ★28 - Simple cross-platform plugin to work with screen orientation of mobile device
Device Orientation - Simple way to get device orientation or be notified of orientation changes in your Xamarin.Forms projects
NControl ★240 - Xamarin.Forms control for NGraphics
MvxForms ★8 - MVVMCross plugin for using Xamarin.Forms
PullToRefreshLayout ★134 - Pull To Refresh a ScrollView or ListView in Xamarin.Forms
Rb.Forms.Barcode ★34 - Xamarin.Forms view for scanning barcodes
Rg.Plugins.Popup - A cross platform plugin for Xamarin.Forms which allows to open Xamarin.Forms pages as a popup
SolTech Xamarin Forms Toolkit ★31 - set of helpful extensions to the Xamarin Forms framework
Store Rating Plugin ★7 - Rate app popup
SVG - SVG file format support
Swipecards ★80 - A Tinder-like swipe control for Xamarin.Forms
Toasts Plugin ★208 - A simple way of showing some notifications inside your Xamarin.Forms application
TwinTechsFormsLib ★184 - FastCell, FastImage, FastGridCell
Xamarin-Forms-Labs ★1,381 - Powerful and cross platform set of controls and helpers
xamarin-forms-xna ★7 - Monogame wrapper for Xamarin.Forms
Xamarin.Forms.GoogleMaps ★250 - Maps library for Xamarin.Forms using Google Mapps API
XamFormsMvxTemplate Visual Studio Marketplace - MVVMCross.Forms Visual Studio 2017 project template (iOS, Android, UWP)

XPlat APIs

Most of them support Android and iOS, some do Windows Phone 8

Calendars ★48 - Calendar API plugin for Xamarin and Windows Phone, Supports basic CRUD operations with calendars and events.
Device Motion - Simple cross platform plugin to read motion vectors value for device motion sensors such as: Accelerometer, Gyroscope, Magnetometer, Compass.
Estimote ★37 - Cross platform implementation of the estimote library for beacons.
Fingerprint ★160 - Xamarin and MvvMCross plugin for accessing the fingerprint sensor.
HybridKit ★21 - Simple C# – JavaScript bridge for building hybrid iOS and Android apps.
Lamp - Simple way of controlling the lamp/LED on the back of your phone from Xamarin and Xamarin.Forms projects
ManageSleep ★15 - Manage auto sleep / auto lock in all platforms. This is useful when dealing with long running processes
Messaging ★88 - The Messaging plugin makes it possible to make a phone call, send a sms or send an e-mail using the default messaging applications on the different mobile platforms.
notifications ★75 - Notifications plugin for Xamarin and Windows
Pontoon ★26 - A flexible bridge to the Universal Windows Platform
Telephony ★17 - Email, sms, voice and video call functionality
userdialogs ★487 - Standard user dialogs from a shared/portable library.
Version - Get app version from bundle
Xamarin.Badge ★33 - Simple cross platform plugin to work with application badge
Xamarin.LocalNotifications ★40 - Simple cross platform plugin to work with mobile local notifications
Xamarin.Mobile ★237 - Reading the user's address book and using the camera
xamarin-plugins ★39 - Device Motion, Geofencing, Push Notifications (Beta)

Other lists

Xamarin Bindings ★112 - A list of existing library bindings
Xamarin Components ★1,290 - Here you will find a listing of cross platform Plugins for Xamarin that support Xamarin.iOS, Xamarin.Android, Xamarin.Forms, and Windows Platform from a single API.
Open Source Xamarin Apps ★7 - A list of open source Xamarin apps.
Awesome Xamarin Bookmarks ★8 - Hand-picked bookmarks of interesting (must have) links for Xamarin developers.

Websites

Weekly Xamarin - Hand-picked round up of the best Xamarin development links every week. Curated by Geoffrey Huntley and published every Friday. Free.
Planet Xamarin - An aggregator of content from Xamarin Community members. Why subscribe individually when you can subscribe to one convenient RSS feed? If RSS isn't your thing, follow the Twitter or Facebook accounts which are automatically updated with the latest content from the community.
Programming Community Curated Resources For Learning Xamarin - a curated list of resources for learning Xamarin