| 720 | Bruce Tulloh's Marathon Training Program | ZX-Spectrum 48K | English |
| 23821 | Budget | ZX-Spectrum 48K | English |
| 17347 | Budget Account | ZX-Spectrum 48K | English |
| 19851 | Budget Accounting | ZX-Spectrum 48K | English |
| 37381 | Budget Familial | ZX81 16K | French |
| 44529 | Budget Familial | ZX-Spectrum 48K | French |
| 4000009 | Budgeter | Timex Tx2068 | English |
| 21877 | Budzet Domowy | ZX-Spectrum 48K | Polish |
| 7997 | Busyman | ZX-Spectrum 48K | German |
| 19942 | CLUD | ZX-Spectrum 48K | English |
| 13155 | CW | ZX-Spectrum 48K | English |
| 14014 | CW QSO | ZX-Spectrum 48K | English |
| 21986 | Cal-Plan | ZX-Spectrum 48K | English |
| 19864 | CalCount | ZX-Spectrum 48K | English |
| 19865 | CalFiFat | ZX-Spectrum 48K | English |
| 26315 | Calciomania | ZX-Spectrum 48K | Italian |
| 42140 | Calculo de Amortizaciones | ZX-Spectrum 16K | Spanish |
| 23090 | Calendar | ZX-Spectrum 48K | English |
| 19519 | Calendar | ZX-Spectrum 48K | English |
| 29490 | Calendar | ZX81 1K | English |