reactos / reactos

An open-source, Alpha-stage operating system that aims for binary and driver compatibility with Windows NT-family applications.

openwrt / openwrt

Linux operating system for embedded routers and devices, providing a writable filesystem with opkg package management.

finix-community / finix

An experimental Nix-based Linux distribution that uses finit as PID 1 instead of systemd, built to explore NixOS design alternatives.

vlang / vinix

Vinix is a bare-metal operating system for amd64 and arm64 written in the V programming language, aiming to be modern, fast, and usable.