| Type | Title | Year | Publisher |
|---|---|---|---|
| Sinclair ZX Spectrum cass. | 🟩 Amateur Radio Log Book | 1984 | Technical Soft. |
| Sinclair ZX Spectrum cass. | 🟩 Morse Code Tutor | 1987 | Technical Soft. |
| Sinclair ZX Spectrum cass. | 🟩 RX-4 | 1985 | Technical Soft. |
| Acorn BBC ROM | 🟩 RX-8 Ver. 2.2 | 1990 | Technical Soft. |