Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

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

.NET debugger and assembly editor

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

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

UniGetUI: The Graphical Interface for your package managers. Could be terribly described as a package manager manager to manage your package managers

AssetStudio is a tool for exploring, extracting and exporting assets and assetbundles.

Store securely encrypted backups in the cloud!

Unity C# reference source code.

The official repo for the design of the C# programming language

Unofficial revival of the well known .NET debugger and assembly editor, dnSpy

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

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.

.NET deobfuscator and unpacker.

Unity / XNA game patcher and plugin framework

GUI Application to work with engine assets, asset bundles, and serialized files

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

Sudo for Windows

Automate SSL/TLS certificates on Windows with ease

A source code analyzer built for surfacing features of interest and other characteristics to answer the question 'What's in the code?' quickly using static analysis with a json based rules engine. …

C# as you know it but with Go-inspired tooling (small, selfcontained, and native executables)

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

.NET Client for Telegram Bot API

SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.

An in-game UI for exploring, debugging and modifying IL2CPP and Mono Unity games.

Steam depot downloader utilizing the SteamKit2 library.

Simple Beat Saber Mod Installer

.NET Platform Architecture book (English, Chinese, Russian)