| /e/OS | Gaël Duval, E Foundation | 2018 | MIT License, Apache Software License 2.0 |
| AlmaLinux | Andrew Lukoshko | — | — |
| Alter Linux | — | — | — |
| AmayaOS | — | 2014 | GNU General Public License, version 3.0 |
| AmonEcole | EOLE | — | — |
| AntiX | — | — | GNU General Public License |
| AOSC OS | Anthon Open Source Community | — | — |
| Arch Linux | Allan McRae, Anatol Pomozov, Aaron Griffin, Felix Yan | 2002 | GNU General Public License |
| AROS Research Operating System | — | — | AROS Public License |
| Asahi Linux | Asahi Lina, Alyssa Rosenzweig, Hector Martin | 2021 | — |
| AxOS | — | — | GNU General Public License, version 3.0 |
| BunsenLabs | — | 2015 | — |
| Cdlinux.pl | — | 2001 | GNU General Public License |
| CentOS | — | 2004 | GNU General Public License |
| CentOS Stream | Red Hat, IBM | 2019 | GNU General Public License |
| Cinux | — | — | — |
| Collapse OS | — | — | GNU General Public License, version 3.0 |
| Condres OS | — | — | — |
| Debian | The Debian Project | 1993 | GNU General Public License |
| Debian GNU/Hurd | — | — | GNU General Public License |
| Devuan | Dyne foundation | — | GNU General Public License |
| DragonFly BSD | Matthew Dillon | 2003 | BSD licenses |
| Dragora GNU/Linux-libre | — | — | GNU General Public License |
| Dyson | — | 2012 | — |
| EU OS | — | — | — |
| Fedora Linux | Red Hat, IBM, Fedora Project | 2003 | MIT License |
| Feren OS | — | — | — |
| FreeBSD | — | 1993 | 2-clause BSD License |
| Freedows OS | — | — | — |
| FUSS | — | — | GNU General Public License |
| GeckoLinux | — | 2016 | — |
| Gentoo Linux | — | — | GNU General Public License |
| GNOME OS | — | — | — |
| Gobuntu | Canonical Ltd. | 2007 | GNU General Public License |
| GParted Live | — | — | — |
| Hyperbola GNU/Linux-libre | — | — | — |
| KDE Linux | KDE | — | — |
| KDE neon | KDE | 2016 | GNU General Public License |
| KnightOS | — | — | MIT License |
| Kubuntu | Canonical Ltd. | 2005 | GNU General Public License |
| LibertyBSD | — | — | permissive free software license |
| Linux Mint | — | 2006 | GNU General Public License |
| Loongnix | Loongson Technology Co., Ltd. | — | — |
| Lubuntu | Canonical Ltd. | — | GNU General Public License |
| NetBSD | — | 1993 | BSD licenses |
| Nura | — | — | GNU General Public License, version 3.0 |
| Nut/OS | Ethernut | 2000 | BSD licenses |
| NuttX | Apache Software Foundation | — | Apache License, Apache Software License 2.0 |