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

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

🐝 A collection of awesome .NET core libraries, tools, frameworks and software

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

Unity C# reference source code.

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

Powerful .NET library for benchmarking

Json.NET is a popular high-performance JSON framework for .NET

An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required

Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-codebase apps from any IDE. Hot Reload included! 90m+ NuGet Down…

A Terminal Emulator based on UWP and web technologies.

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

📷 A modern, cross-platform, 2D Graphics library for .NET

Simple .NET logging with fully-structured events

The Reactive Extensions for .NET

C# pure functional programming framework - come and get declarative!

A library for patching, replacing and decorating .NET and Mono methods during runtime

Virtual File System for Git: Enable Git at Enterprise Scale

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

Javascript Interpreter for .NET

Command line parsing, invocation, and rendering of terminal output.

Roslynator is a set of code analysis tools for C#, powered by Roslyn.

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

Unreal Engine .NET 6 integration

A 100% native C# implementation of ZeroMQ for .NET

Cross platform code coverage for .NET

Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more!

Pure C# IL Intepreter Runtime, which is fast and reliable for scripting requirement on enviorments, where jitting isn't possible.

Seamlessly adds a swagger to WebApi projects!