| 23723 | MAestro-ASM | ZX-Spectrum 48K | English |
| 8409 | MC Monitor | ZX-Spectrum 48K | English |
| 8410 | MC Trace | ZX-Spectrum 48K | English |
| 43739 | MC-Sort | ZX-Spectrum 48K | German |
| 20329 | MaCod 1 | ZX-Spectrum 16K | English |
| 24507 | Machine Code Aid for Beginners | ZX-Spectrum 48K | English |
| 20199 | Machine Code Analyser | ZX-Spectrum 48K | English |
| 19376 | Machine Code Assembler and Utilities | ZX-Spectrum 48K | English |
| 25829 | Machine Code Calculator | ZX-Spectrum 48K | English |
| 16759 | Machine Code Disassembler | ZX-Spectrum 48K | English |
| 42766 | Machine Code Editor | ZX-Spectrum 16K | English |
| 19722 | Machine Code Editor | ZX-Spectrum 16K | English |
| 20326 | Machine Code Editor | ZX-Spectrum 16K | English |
| 13315 | Machine Code Loader | ZX-Spectrum 48K | English |
| 25830 | Machine Code Loader | ZX-Spectrum 16K | English |
| 18693 | Machine Code Monitor | ZX-Spectrum 16K | English |
| 20327 | Machine Code Monitor | ZX-Spectrum 16K | English |
| 8377 | Machine Code Relocator | ZX-Spectrum 48K | English |
| 18777 | Machine Code Spion | ZX-Spectrum 48K | English |
| 20328 | Machine Code Subroutines | ZX-Spectrum 16K | English |