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

PowerShell for every system!

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

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 …

rhythm is just a *click* away!

The finest Windows Optimizer

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

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.

One framework for creating powerful cross-platform games.

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

the subtitle editor :)

Chocolatey - the package manager for Windows

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

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

Open Hardware Monitor

Walk through an infinite, procedurally generated city

The Open Toolkit library is a fast, low-level C# wrapper for OpenGL, OpenAL & OpenCL. It also includes windowing, mouse, keyboard and joystick input and a robust and fast math library, giving you e…

Open source, cross-platform, user-mode tablet driver

NoteBook FanControl

Like those other ds4tools, but sexier

FNA - Accuracy-focused XNA4 reimplementation for open platforms

Primary repository for the x360ce library, front-end and tools.

An open source fork of Windows Live Writer

Open source reimplementation of GTA San Andreas game engine in Unity

Demo of the potential of C# for systems programming with the .NET native ahead-of-time compilation technology.

.NET for Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#

Source 2 Viewer is a powerful tool that allows you to browse VPK archives, view, extract, and decompile Source 2 assets, including maps, models, materials, textures, sounds, and more.

GeForce Experience sucks, this is the best open sourced AND lightweight NVIDIA GPU update checker.

A logger for MSBuild that records a structured representation of executed targets, tasks, property and item values.