xamarin

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

Mono open source ECMA CLI, C# and .NET implementation.

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.

Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]

NLog - Flexible and Structured Logging for various .NET Platforms

SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

📱 Two-Factor Authentication (2FA) client for Android + Wear OS

The .NET MVVM framework for cross-platform solutions, including Android, iOS, MacCatalyst, macOS, tvOS, WPF, WinUI

Tools and libraries to glue C/C++ APIs to high-level languages

.NET for iOS, Mac Catalyst, macOS, and tvOS provide open-source bindings of the Apple SDKs for use with .NET managed languages such as C#

An asynchronous, persistent key-value store created for writing desktop and mobile applications, based on SQLite3. Akavache is great for both storing important data as well as cached local data that expires.

Bridge between Lua and the .NET.

Simple, cross-platform chart library for .NET

A new way for developers to exchange card content in a common and consistent way.

Cross-platform .NET/Mono bindings for LibVLC

An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.

.NET Framework for Backgrounding & Device Hardware Services (iOS, MacCatalyst, Android, & Windows)

Mapsui is a .NET Map component for: MAUI, Avalonia, Uno Platform, Blazor, WPF, WinUI, Windows Forms, Eto Forms, .NET for Android and .NET for iOS

A collection of interesting libraries/tools for Monogame based game projects

Realm is a mobile database: a replacement for SQLite & ORMs

FFME: The Advanced WPF MediaElement (based on FFmpeg)

Port of the PdfSharp library to .NET Core - largely removed GDI+ (only missing GetFontData - which can be replaced with freetype2)

Render After Effects animations natively on Android, iOS, MacOS and TvOS for Xamarin

DryIoc is fast, small, full-featured IoC Container for .NET

Free and beautiful XAML template pages for Xamarin.Forms apps.

Tweetinvi, an intuitive Twitter C# library for the REST and Stream API. It supports .NET, .NETCore, UAP (Xamarin)...

Cross-platform mobile project and WPF client based on ABP framework Xamarin.Forms

Personal Area Networking for .NET. Open source and professionally supported