| Sinclair ZX Spectrum Opus Discovery disk |  007 Multispy | 1987 | ZX-Guaranteed |
| Sinclair ZX Spectrum Opus Discovery disk | Astrum+ | 1988 | Bradway Soft. |
| Sinclair ZX Spectrum Opus Discovery disk | Blast Ver.3.7 | 1985 | Oxford Computer Publishing |
| Sinclair ZX Spectrum Opus Discovery disk | Disc Manager | 1987 | Bradway Soft. |
| Sinclair ZX Spectrum Opus Discovery disk | Masterfile | 1982 | Campbell Systems |
| Sinclair ZX Spectrum Opus Discovery disk | Omnicalc 2 | 1984 | Microsphere Computer Services, Ltd. |
| Sinclair ZX Spectrum Opus Discovery disk | QuickDOS | 1991 | Megasoft |
| Sinclair ZX Spectrum Opus Discovery disk | Sales/Purchase Ledger Invoicing | 1984 | Transform, Ltd. |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 01 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 02 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 03 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 04 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 05 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 06 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 07 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 08 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 09 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Library Disc 10 | 198? | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 01-03 | 1987 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 04 | 1987 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 05 | 1988 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 06 | 1988 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 07 | 1988 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 08 | 1988 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 09 | 1988 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 10 | 1988 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 11 | 1989 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 12 | 1989 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 13 | 1989 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 14 | 1989 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 15 | 1989 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 16 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 17 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 18 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 19 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 20 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 21 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 22 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 23 | 1991 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 24 | 1991 | Spectrum Discovery Club |
