| DD-WRT | — | — |
| Debian | The Debian Project | 1993 |
| Debian Edu | — | — |
| Debian GNU/Hurd | — | — |
| Debian GNU/kFreeBSD | — | — |
| Deepin | — | 2016 |
| DEFT Linux | Stefano Fratepietro | — |
| Devuan | Dyne foundation | — |
| Dragora GNU/Linux-libre | — | — |
| Dreamlinux | — | — |
| DSLinux | — | — |
| DuinOS | — | — |
| Dynebolic | — | — |
| EasyPeasy | — | — |
| Edubuntu | Canonical Ltd. | — |
| Educanix | — | — |
| Eduknoppix | — | — |
| Elastix | — | — |
| Elbuntu | — | 2006 |
| Elementary OS | — | — |
| ELinOS | SYSGO | — |
| Elive | — | — |
| Embeddable Linux Kernel Subset | — | — |
| Emdebian Grip | — | — |
| Endian Firewall | — | — |
| Enso OS | — | — |
| Familiar Linux | — | — |
| Femto OS | — | — |
| Fermi Linux | Fermilab | — |
| Fire OS | Amazon | 2011 |
| Fli4l | — | — |
| Fluxbuntu | — | — |
| Flyme | Meizu | — |
| FMI/OS | — | — |
| Foresight Linux | — | — |
| FreeDOS | Jim Hall | 1998 |
| Freespire | Linspire | — |
| FreeWRT | — | — |
| Frugalware Linux | Miklós Vajna | — |
| Fuduntu | — | — |
| FUSS | — | — |
| Galsoft Linux | — | — |
| GeckOS | — | — |
| GeeXboX | — | — |
| Gentoo Linux | — | — |
| GhostBSD | — | 2009 |
| GNewSense | — | — |
| Gnoppix | — | — |