| Type | Title | Year | Publisher |
|---|---|---|---|
| Acorn BBC/Electron cass. | 🟩 Beeb Calc and Cashflow Demo | 198? | Gemini Marketing, Ltd. |
| Acorn BBC/Electron cass. | 🟩 Beeb Plot | 198? | Gemini Marketing, Ltd. |
| Acorn BBC/Electron cass. | 🟩 Commercial Accounts | 1982 | Gemini Marketing, Ltd. |
| Sinclair ZX Spectrum cass. | 🟩 Commercial Accounts Program | 1982 | Gemini Marketing, Ltd. |
| Dragon cass. | 🟩 Database | 1982 | Gemini Marketing, Ltd. |
| Sinclair ZX Spectrum cass. | 🟩 Database | 1982 | Gemini Marketing, Ltd. |
| Acorn BBC ROM | 🟩 DataGem Ver.1.02F | 1984 | Gemini Marketing, Ltd. |
| Acorn BBC Micro B disk | 🟩 DDD-calc | 1985 | Gemini Marketing, Ltd. |
| Sinclair ZX Spectrum cass. | 🟩 Easiledger | 1982 | Gemini Marketing, Ltd. |
| Amstrad CPC 464 disk | 🟩 Final Accounts | 1985 | Gemini Marketing, Ltd. |
| Dragon cass. | 🟩 Home Accounts | 1982 | Gemini Marketing, Ltd. |
| Tangerine Oric 1 cass. | 🟩 Invoices & Statements | 198? | Gemini Marketing, Ltd. |
| Tangerine Oric 1 cass. | 🟩 Mailing List | 198? | Gemini Marketing, Ltd. |
| Acorn BBC Micro B disk | 🟩 Office Master | 1986 | Gemini Marketing, Ltd. |
| Sinclair ZX Spectrum cass. | 🟩 Office Master | 1986 | Gemini Marketing, Ltd. |
| Sinclair ZX Spectrum cass. | 🟩 Spectrum Home Accounts | 1982 | Gemini Marketing, Ltd. |
| Sinclair ZX Spectrum cass. | 🟩 Spectrum Mailist | 1982 | Gemini Marketing, Ltd. |
| Sinclair ZX Spectrum cass. | 🟩 Spectrum Plot | 1984 | Gemini Marketing, Ltd. |