| 41770 | MICRO BUG EXTRA | ZX81 16K | Portuguese |
| 4000052 | MTERM | Timex Tx2068 | English |
| 40796 | Machine Code Commands | ZX-Spectrum 48K | English |
| 40324 | Machine Code Index | ZX-Spectrum 48K | English |
| 41089 | Machine Code LIST | ZX81 16K | English |
| 39920 | Machine Code Loader | ZX81 16K | English |
| 40167 | Machine Code Monitor | ZX-Spectrum 48K | English |
| 41610 | Machine Code Plotter | ZX81 16K | English |
| 40953 | Machine Code Scroll | ZX81 16K | English |
| 39902 | Machine Code Sounds | ZX-Spectrum 48K | English |
| 41527 | Machine Code Tutor | ZX81 16K | English |
| 40770 | Machine Code Vertical Scroll | ZX-Spectrum 48K | English |
| 40708 | Machine Code tips | ZX81 16K | English |
| 40331 | Machine Code to DATA Converter | Sinclair QL | English |
| 39892 | Magnify Utility | ZX-Spectrum 48K | English |
| 40323 | Mail Merge | Sinclair QL | English |
| 39670 | Make Your Spectrum Programs Sound Better | ZX-Spectrum 48K | English |
| 40628 | Making Music | ZX80 | English |
| 40745 | Manipulator | SAM Coupé | English |
| 17048 | Mariembad | ZX-Spectrum 16K | Spanish |