| Operating system | Developer | First release | License |
|---|---|---|---|
| GEOS | GeoWorks | 1986 | proprietary license |
| IDEDOS | — | 1996 | GNU General Public License, version 2.0 |
| KERNAL | Commodore International | — | — |
| LUnix | — | — | GNU General Public License, version 2.0 |
| Operating system | Developer | First release | License |
|---|---|---|---|
| GEOS | GeoWorks | 1986 | proprietary license |
| IDEDOS | — | 1996 | GNU General Public License, version 2.0 |
| KERNAL | Commodore International | — | — |
| LUnix | — | — | GNU General Public License, version 2.0 |