| GnYOUlinux | — | — | — |
| GobMis GNU/Linux | — | — | — |
| GoboLinux | — | — | GNU General Public License |
| Gobuntu | Canonical Ltd. | 2007 | GNU General Public License |
| GOS | — | — | Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported |
| GParted Live | — | — | — |
| Granular Linux | — | — | — |
| Grml | — | — | — |
| Guadalinex | Government of Andalusia | — | GNU General Public License |
| Haansoft Linux | — | — | — |
| Hacao | — | — | — |
| Hackable:1 | — | — | — |
| HamoniKR | — | — | — |
| HandyLinux | — | — | GNU General Public License |
| Hanthana Linux | — | — | GNU General Public License |
| Happy MacLinux | — | — | — |
| HarmonyOS | Huawei | 2019 | — |
| Hiren's BootCD | — | — | freeware |
| Home Assistant OS | — | — | Apache Software License 2.0 |
| HPE Cray Operating System | — | — | — |
| Huayra Linux | — | — | GNU General Public License |
| Hybryde Linux | — | — | — |
| Hyperbola GNU/Linux-libre | — | — | — |
| IBuntu | — | — | — |
| Iglunix | — | — | Zero-clause BSD License |
| IGolaware Linux | — | — | — |
| IMagic OS | — | — | — |
| Imagineos | — | — | — |
| Impi Linux | — | — | — |
| Incognito | — | 2008 | GNU General Public License |
| IndLinux | — | — | GNU Lesser General Public License, version 2.1 or later, GNU General Public License, version 2.0 |
| InfinitiveOS | — | — | — |
| InfraLinux | — | — | — |
| Injector Linux | — | — | GNU General Public License |
| Inspur K-UX | Inspur | — | — |
| IPCop | — | 2001 | GNU General Public License |
| IPFire | — | — | GNU General Public License |
| IPhone Linux | — | 2008 | — |
| IPodLinux | — | — | GNU General Public License, version 2.0 |
| Iskolinux | — | — | — |
| ISURU Linux | — | — | GNU General Public License |
| Jarro Negro | — | — | — |
| Jazz Linux | — | — | — |
| JeOS | Canonical Ltd. | — | GNU General Public License |
| JesusFreke ROM | — | — | GNU General Public License, version 2.0 |
| Jlime | — | — | GNU General Public License |
| Joatha Linux | — | — | — |
| Jolicloud | — | — | proprietary license |