| 24435 | Assembler | ZX-Spectrum 48K | English |
| 24472 | Assembler | ZX-Spectrum 16K | English |
| 19464 | Assembler | ZX-Spectrum 16K | English |
| 26611 | Assembler | ZX-Spectrum 48K | English |
| 39204 | Assembler Development Kit | Sinclair QL | English |
| 7925 | Assembler Sources | ZX-Spectrum 48K | English |
| 11492 | Assembler and Machine Code Debugger | ZX-Spectrum 48K | English |
| 21289 | Assembler for Scorpion 256 | Pentagon 128 | English |
| 26841 | Assembler/Editor | ZX-Spectrum 48K | English |
| 19726 | Assembler/Editor | ZX-Spectrum 16K | English |
| 36378 | Assemblertools | ZX-Spectrum 16K/48K | German |
| 7927 | Astron | ZX-Spectrum 16K | English |
| 11500 | Astrum+ | ZX-Spectrum 48K | English |
| 39249 | BASIC Interactive Assembler System | ZX-Spectrum 48K | English |
| 31171 | BRAINIAC | ZX-Spectrum 48K | - |
| 22199 | Basic Trace | ZX-Spectrum 48K | English |
| 7962 | Beta ROM | ZX-Spectrum 48K | English |
| 7963 | Beta ROM 2 | ZX-Spectrum 48K | English |
| 7965 | Beyond BASIC | ZX-Spectrum 48K | English |
| 17957 | Breakpoint | ZX-Spectrum 48K | Spanish |