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

A modern file manager that helps users organize their files and folders.

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

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）

🎬 ScreenToGif allows you to record a selected area of your screen, edit and save it as a gif or video.

Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics

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

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

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

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

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

The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement …

CloudMoe Windows 10/11 Activation Toolkit get digital license, the best open source Win 10/11 activator in GitHub. GitHub 上最棒的开源 Win10/Win11 数字权利（数字许可证）激活工具！

A simple proxy client

Remove large amounts of unwanted applications quickly.

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

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

EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

One framework for creating powerful cross-platform games.

Unity C# reference source code.

A rewrite of the old legacy software "depends.exe" in C# for Windows devs to troubleshoot dll load dependencies issues.

Cloud Native application framework for .NET

Practical samples of ASP.NET Core 10, 9, 8.0, 7.0, 6.0, 5.0, 3.1, 2.2, and 2.1,projects you can use. Readme contains explanations on all projects.

Provides an efficient allocation free async/await integration for Unity.

.NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework

Blazor Component Library based on Material Design principles with an emphasis on ease of use and extensibility

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…

Unity3D Client And C# Server Framework

A cute running cat animation on your windows taskbar.

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