| Type | Title | Year | Publisher |
|---|---|---|---|
| Osborne 4 Vixen disk | 🟩 CP/M 2.2 CBIOS | 198? | Encore |
| Osborne 4 Vixen disk | 🟩 Disk Utility | 198? | Encore |
| Osborne 4 Vixen disk | 🟩 Monitor Rom | 198? | Encore |
| Osborne 4 Vixen disk | 🟩 Mov CPM | 198? | Encore |
| Osborne 4 Vixen disk | 🟩 Vixen Setup | 198? | Encore |
| Osborne 4 Vixen disk | 🟩 Vixen Sysgen | 198? | Encore |