The Free Software Media System

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

Google's Material Design in XAML & WPF, for C# & VB.Net.

Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and …

Unity C# reference source code.

Store securely encrypted backups in the cloud!

Simple, unambitious mediator implementation in .NET

Cross Platform Terminal UI toolkit for .NET

A .NET library that makes it easier to create beautiful console applications.

ML.NET is an open source and cross-platform machine learning framework for .NET.

EarTrumpet - Volume Control for Windows

Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities

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.

LiteDB - A .NET NoSQL Document Store in a single data file

A toolkit for developing high-performance HTTP reverse proxy applications.

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 sta…

WPF UI provides the Fluent experience in your known and loved WPF framework. Intuitive design, themes, navigation and new immersive controls. All natively and effortlessly.

Probabilistic language based on pattern matching and constraint propagation, 153 examples

Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono

WPF is a .NET Core UI framework for building Windows desktop applications.

The Reactive Extensions for .NET

Prism is a framework for building loosely coupled, maintainable, and testable XAML applications in WPF, Xamarin Forms, and Uno / Win UI Applications..

The Windows Community Toolkit is a collection of helpers, extensions, and custom controls. It simplifies and demonstrates common developer tasks building .NET apps with UWP and the Windows App SDK …

Sudo for Windows

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

👼 The ultimate angle brackets parser library parsing HTML5, MathML, SVG and CSS to construct a DOM based on the official W3C specifications.

C# library and console app for using new feature control APIs available in Windows 10 version 2004 and newer

Canonical actor model implementation for .NET with local + distributed actors in C# and F#.

A collection of some of the neat math and physics tricks that I've collected over the last few years.