The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

GoogleTest - Google Testing and Mocking Framework

Fast C++ logging library.

Haptic input knob with software-defined endstops and virtual detents

Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.

A framework for building native Windows apps with React.

Code repository of all OpenGL chapters from the book and its accompanying website https://learnopengl.com

WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

Run .NET and Node.js code in-process on Windows, MacOS, and Linux

Detours is a software package for monitoring and instrumenting API calls on Windows. It is distributed in source code form.

The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

A framework for building native macOS apps with React.

A library of C++ coroutine abstractions for the coroutines TS

Windows Implementation Library

C++/WinRT

👀 A native C++ Node module for querying and subscribing to filesystem events

Blog: NodeJS Addons Example

Repository with several XAML Islands v1 samples (Win32, WPF, and WinForms) to demonstrate how to use it.

Angle Project (https://code.google.com/p/angleproject/) with support for Windows Store Apps (WinRT)

C++ websocket client/server library