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

A GUI client for Windows, Linux and macOS, support Xray and sing-box and others

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）

Intelligent automation and multi-agent orchestration for Claude Code

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

The finest Windows Optimizer

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

[.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.

A wrapper executable that can run any executable as a Windows service, in a permissive license.

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

Capture Screen, Audio, Cursor, Mouse Clicks and Keystrokes

Simple REST and HTTP API Client for .NET

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

Contains some simple and commonly used WPF controls

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

全龄段友好的C#万能工具库，码数吐司库，包含一些常用的操作类，大都是静态类，加密解密，反射操作，权重随机筛选算法，分布式短id，表达式树，linq扩展，文件压缩，多线程下载，硬件信息，字符串扩展方法，日期时间扩展操作，中国农历，大文件拷贝，图像裁剪，验证码，断点续传，集合扩展、Excel导出等常用封装。诸多功能集一身，代码量不到2MB！

Repository for WPF related samples

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

Various helper class

👻 在Windows上统计软件使用时长和网站浏览时长

(已支持sqlsugar).NetCore、.Net6、Vue2、Vue3、Vite、TypeScript、Element plus+uniapp前后端分离，全自动生成代码；支持移动端(ios/android/h5/微信小程序。http://www.volcore.xyz/

DotnetSpider, a .NET standard web crawling library. It is lightweight, efficient and fast high-level web crawling & scraping framework

All the controls missing in WPF. Over 1 million downloads.

Headless Chrome .NET API

Entity Framework Core provider for MySQL and MariaDB built on top of MySqlConnector

掩日 - 免杀执行器生成工具

Windows desktop front end for Spleeter - AI source separation

Modern UI for WPF

SunnyUI.NET 是基于.NET Framework 4.0+、.NET6、.NET8、.NET9 框架的 C# WinForm UI、开源控件库、工具类库、扩展类库、多页面开发框架。

HZHControls,c#winfrom custom control, has better operation support for touch screen, the project is based on framework4.0, completely native control development, do not use any third-party controls…