| Operating system | Developer | First release | License |
|---|---|---|---|
| AlmaLinux | Andrew Lukoshko | — | — |
| Alpine Linux | — | — | 2-clause BSD License, GNU General Public License, version 2.0, MIT License |
| Debian | The Debian Project | 1993 | GNU General Public License |
| Ubuntu | Canonical Ltd. | 2004 | — |