| Operating system | Developer | First release | License |
|---|---|---|---|
| MilaX | — | — | Common Development and Distribution License |
| OpenBSD | OpenBSD Project, Theo de Raadt | — | ISC license |
| SPARC64/OS | HAL Computer Systems | — | — |
| Operating system | Developer | First release | License |
|---|---|---|---|
| MilaX | — | — | Common Development and Distribution License |
| OpenBSD | OpenBSD Project, Theo de Raadt | — | ISC license |
| SPARC64/OS | HAL Computer Systems | — | — |