| Operating system | Developer | First release |
|---|---|---|
| Bitrig | — | — |
| MirageOS | Thomas Gazagnaire | — |
| OpenBSD | OpenBSD Project, Theo de Raadt | — |
| Sortix | Jonas Termansen | 2011 |
| Void Linux | — | 2008 |
| Operating system | Developer | First release |
|---|---|---|
| Bitrig | — | — |
| MirageOS | Thomas Gazagnaire | — |
| OpenBSD | OpenBSD Project, Theo de Raadt | — |
| Sortix | Jonas Termansen | 2011 |
| Void Linux | — | 2008 |