| 40796 | Machine Code Commands | ZX-Spectrum 48K | English |
| 29566 | Machine Code Converter | ZX81 16K | English |
| 45714 | Machine Code Decoder & Tape Copier | ZX-Spectrum 48K | English |
| 16759 | Machine Code Disassembler | ZX-Spectrum 48K | English |
| 20326 | Machine Code Editor | ZX-Spectrum 16K | English |
| 19722 | Machine Code Editor | ZX-Spectrum 16K | English |
| 42766 | Machine Code Editor | ZX-Spectrum 16K | English |
| 2000226 | Machine Code Extensions for Spectrum BASIC | - | English |
| 45715 | Machine Code Header Disassembler | ZX-Spectrum 48K | English |
| 45716 | Machine Code Header Disassembler (2) | ZX-Spectrum 48K | English |
| 40324 | Machine Code Index | ZX-Spectrum 48K | English |
| 41089 | Machine Code LIST | ZX81 16K | English |
| 45442 | Machine Code Life Game | ZX-Spectrum 16K/48K | English |
| 13315 | Machine Code Loader | ZX-Spectrum 48K | English |
| 25830 | Machine Code Loader | ZX-Spectrum 16K | English |
| 39920 | Machine Code Loader | ZX81 16K | English |
| 4000293 | Machine Code Monitor | Timex TC2048/Tx2068 | English |
| 18693 | Machine Code Monitor | ZX-Spectrum 16K | English |
| 20327 | Machine Code Monitor | ZX-Spectrum 16K | English |
| 40167 | Machine Code Monitor | ZX-Spectrum 48K | English |