Writing an OS in Rust

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

The Linux perf GUI for performance analysis.

A Blender add-on for simple projector creation and modification.

Push-button installer of macOS Catalina, Mojave, and High Sierra guests in Virtualbox on x86 CPUs for Windows, Linux, and macOS

Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).

Libre and modular OSC / MIDI controller

a library for audio and music analysis

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.