NixOS
NixOS is an independently developed GNU/Linux distribution that aims to improve the state of the art in system configuration management. In NixOS, the entire operating system, including the kernel, applications, system packages and configuration files, are built by the Nix package manager.
VS
AnduinOS
AnduinOS is an Ubuntu-based distribution which provides a GNOME desktop which has been themed and styled to resemble Windows 11. The project provides a smaller ISO file than its parent with each supported language split into a separate ISO.