Unfortunately, there are no official packages for Debian. It is built on an Ubuntu core, and Elementary’s desktop environment, Pantheon, started out with some stripped-down GNOME 2 elements. Now, after you login to Pantheon Desktop it will still look like regular Ubuntu, to easily modify its. And it also has Flatpak support with Sideload and AppCenter.
Elementary os desktop environment Elementary OS is Ubuntu-based linux distribution with custom desktop environment - Pantheon.
