| Sinclair ZX Spectrum cass. |  Alphabet | 1983 | Widgit Soft., Ltd. UK |
| Sinclair ZX Spectrum cass. | Amateur Television Test Cards | 1986 | G1WWX |
| Sinclair ZX Spectrum cass. | AMX Art | 1985 | Advanced Memory Systems, Ltd. |
| Sinclair ZX Spectrum cass. | Animal, Vegetable, Mineral - Sample Tape | 1983 | Wheaton Soft., Arnold |
| Sinclair ZX Spectrum cass. | Animator 1 | 1986 | Softcat Micros |
| Sinclair ZX Spectrum cass. | Antennas And Feeders | 1983 | PW Publishing, Ltd. |
| Sinclair ZX Spectrum cass. | Anthony P Hamilton Mastering Tape / Development Tape collection | 198? | Hamilton, Anthony P. |
| Sinclair ZX Spectrum cass. | Aritmeticas Basicas | 1984 | Investronica Spain |
| Sinclair ZX Spectrum cass. | Art Master Model SS006 | 198? | Summit Soft. |
| Sinclair ZX Spectrum cass. | Art-o-Matic | 1986 | Print'n'Plotter Products |
| Sinclair ZX Spectrum cass. | Artcon 48 | 1989 | Format Publications |
| Sinclair ZX Spectrum cass. | Artic Assembler | 1982 | Artic Computing, Ltd. |
| Sinclair ZX Spectrum cass. | Artist | 1984 | Dinamic Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Aspect 4.2 | 1982 | Bug-Byte London, England |
| Sinclair ZX Spectrum cass. | Assembler and Machine Code Debugger | 1984 | Roybot |
| Sinclair ZX Spectrum cass. | Astro Maths | 1984 | Scisoft |
| Sinclair ZX Spectrum cass. | Astronomer II | 1985 | CP Soft. |
| Sinclair ZX Spectrum cass. | Astrum+ | 1988 | Bradway Soft. |
| Sinclair ZX Spectrum cass. | Atoms | 1982 | Weaversoft |
| Sinclair ZX Spectrum cass. | Atoms and Moles | 1984 | Griffin Soft. |
| Sinclair ZX Spectrum cass. | ATV - Amateur Television | 1983 | Stephens, Robin E. |
| Sinclair ZX Spectrum cass. | ATV Test Card | 1987 | G1WWX |
| Sinclair ZX Spectrum cass. | Auto-Sonics | 1984 | Buttercraft |
| Sinclair ZX Spectrum cass. | Autotrans | 1985 | Evesham Micros |
| Sinclair ZX Spectrum cass. | Averages | 1986 | Spartans Sports Association |
| Sinclair ZX Spectrum cass. | Backup Program | 1990 | Trident Soft. |
| Sinclair ZX Spectrum cass. | Basic Arithmetic | 1983 | Tawny Soft. |
| Sinclair ZX Spectrum cass. | Basic Etendu | 1984 | Ere Informatique Paris, France |
| Sinclair ZX Spectrum cass. | Benefits | 1984 | Camden Council |
| Sinclair ZX Spectrum cass. | Beta Basic Ver. 1.0 | 198? | Betasoft |
| Sinclair ZX Spectrum cass. | Beta Basic Ver. 1.8 | 198? | Betasoft |
| Sinclair ZX Spectrum cass. | Beta Basic Ver. 1.9 | 198? | Betasoft |
| Sinclair ZX Spectrum cass. | Beta Basic Ver. 3.0 | 1985 | Betasoft |
| Sinclair ZX Spectrum cass. | Beta Basic Ver. 4.0 | 198? | Betasoft |
| Sinclair ZX Spectrum cass. | Beta Basic Ver. 4.0 +D | 198? | Betasoft |
| Sinclair ZX Spectrum cass. | Beyond Basic | 1984 | Sinclair Research, Ltd. |
| Sinclair ZX Spectrum cass. | Biology | 1985 | Letts & Co., Charles |
| Sinclair ZX Spectrum cass. | Biology 'O' Level | 198? | Paxman Promotions |
| Sinclair ZX Spectrum cass. | Biology 'O' Level | 1983 | Calisto |
| Sinclair ZX Spectrum cass. | Biology - O'Level & CSE | 1984 | Micro-De-Bug Consultancy |
