| Arch Hurd | — | 2011 | GNU General Public License |
| ATmission | — | — | — |
| BeleniX | — | — | Common Development and Distribution License version 1.0 |
| DragonFly BSD | Matthew Dillon | 2003 | BSD licenses |
| FuguIta | — | — | — |
| GNU Guix System | GNU Project | — | free software license |
| Jibbed | — | — | BSD licenses |
| KolibriOS | — | — | GNU General Public License, version 2.0 |
| M0n0wall | — | — | BSD licenses |
| Mangaka Linux | — | — | — |
| OpenIndiana | — | — | — |
| PfSense | — | — | Apache License |
| Raspberry Pi OS | Raspberry Pi Holdings | 2012 | GNU General Public License |
| RedSleeve | — | — | GNU General Public License |
| REMnux | Lenny Zeltser | — | — |
| Rhino Linux | — | — | — |
| SchilliX | — | — | Common Development and Distribution License version 1.0, GNU General Public License |
| TrueNAS | IXsystems | — | proprietary license, GNU General Public License, version 3.0, BSD licenses |
| Ubuntu | Canonical Ltd. | 2004 | — |
| Umbrella Linux | — | — | — |
| Unity Linux | — | — | — |