| Type ▼ | Name ▼ | Year | Publisher ▼ |
|---|---|---|---|
| Sinclair ZX-81 cass. |  Debug | 198? | Mikro-Gen UK |
| Sinclair ZX-81 cass. | Dr.Floyd | 198? | Apropos Technology |
| Sinclair ZX-81 cass. | Execu-Soft | 198? | Orbyte Soft. |
| Sinclair ZX-81 cass. | Fastload | 198? | Artic Computing, Ltd. |
| Sinclair ZX-81 cass. | Inventory Control | 198? | Data-assette |
| Sinclair ZX-81 cass. | Math Routines and Fit | 198? | Zeta Soft. |
| Sinclair ZX-81 cass. | Maths Part 1 | 198? | Scisoft |
| Sinclair ZX-81 cass. | Multifile Plus | 198? | Gladstone Electronics |
| Sinclair ZX-81 cass. | Music Composer | 198? | Memotronic |
| Sinclair ZX-81 cass. | Q Save | 198? | PSS Personal Soft. Services 012484 |
| Sinclair ZX-81 cass. | Radio Programs 1 | 198? | Practical Wireless |
| Sinclair ZX-81 cass. | REM-Load | 198? | Picturesque |
| Sinclair ZX-81 cass. | Rental Property Manager | 198? | Data-assette |
| Sinclair ZX-81 cass. | Screen Kit 1 | 198? | Picturesque |
| Sinclair ZX-81 cass. | Statistics | 198? | Zeta Soft. |
| Sinclair ZX-81 cass. | Tapebook 50 1K | 198? | Control Technology |
| Sinclair ZX-81 cass. | The Carpooler Model 03-2005 | 198? | Timex Corp. |
| Sinclair ZX-81 cass. | The Fast One | 198? | Campbell Systems |
| Sinclair ZX-81 cass. | Toolkit | 198? | Artic Computing, Ltd. |
| Sinclair ZX-81 cass. | Toolkit | 198? | Sinclair Research, Ltd. |
| Sinclair ZX-81 cass. | Variance Analyzer | 198? | Zeta Soft. |
| Sinclair ZX-81 cass. | Word Processor | 198? | Alan's Recordings |
| Sinclair ZX-81 cass. | Wordplay | 198? | Apropos Technology |
| Sinclair ZX-81 cass. | ZX Assembler | 198? | Artic Computing, Ltd. |
| Sinclair ZX-81 cass. | ZX Forth | 198? | Artic Computing, Ltd. |
| Sinclair ZX-81 cass. | ZX-MC | 198? | Picturesque |
| Sinclair ZX-81 cass. | ZXAS Assembler | 198? | Gladstone Electronics |