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

A hex editor for WeChat/QQ/TIM - PC版微信/QQ/TIM防撤回补丁（我已经看到了，撤回也没用了）

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

.NET debugger and assembly editor

🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。

PEASS - Privilege Escalation Awesome Scripts SUITE (with colors)

Dapper - a simple object mapper for .Net

A simple proxy client

🖱️ 纯粹的Windows右键菜单管理程序

[.NET] m3u8 downloader 开源的命令行m3u8/HLS/dash下载器，支持普通AES-128-CBC解密，多线程，自定义请求头等. 支持简体中文,繁体中文和英文. English Supported.

Store securely encrypted backups in the cloud!

Chocolatey - the package manager for Windows

Remote Administration Tool for Windows

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

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…

.NET deobfuscator and unpacker.

🌈A rich set of enterprise-class UI components based on Ant Design and Blazor.

One Remote Access Manager to Rule Them All

Javascript Interpreter for .NET

Seatbelt is a C# project that performs a number of security oriented host-survey "safety checks" relevant from both offensive and defensive security perspectives.

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. …

Cross platform GUI framework for desktop and mobile applications in .NET

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

Extensions to LINQ to Objects

NanUI is an open source .NET project for developers who want to create Windows desktop applications with HTML, CSS and JavaScript.

Deserialization payload generator for a variety of .NET formatters

.NET Standard bindings for Google's TensorFlow for developing, training and deploying Machine Learning models in C# and F#.

A command line C# REPL with syntax highlighting – explore the language, libraries and nuget packages interactively.

Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution

Open source obfuscation tool for .NET assemblies