| name | supported | description | year | publisher | cloneof | notes | roms | disks | rom_size | rom_size_text | disk_size | disk_size_text |
|---|
| ots14 | yes | One Track System 1.4 (alternate OS) | 1991 | MMV | | | 1 | | 694040 | 678 Kilobytes (KiB) | | |
| sfdos | yes | Sigma Four DOS (modified MS-DOS x.xx) | 19?? | Sigma Four | | | 1 | | 737280 | 720 Kilobytes (KiB) | | |
