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.
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PikaOS Linux
PikaOS Linux is a Linux distribution based on Debian's cutting-edge "Unstable" branch, optimised for gaming. It is designed to provide out-of-the-box gaming experience, excellent performance with up-to-date drivers and custom-tweaked Linux kernel, and a choice of GNOME or KDE Plasma desktops, with separate editions that use the Hyprland Wayland compositor.