| getit | Maker | Status | Projects | Rating | Lang | Years | Additional Comments |
 | M. David URL | Active | 1 Game, 1 Website | 64% | de | 1999? | One of the makers of the fantastic Shareware 'Tanx' clone 'Battle Duel - Striving for Glory'. |
| - | M. Donkin | ? | 1 Game | 43% | - | ? | - |
| - | M. Furnell | ? | 1 Game | 16% | - | 1992 | - |
| - | M. Lazenby | ? | 1 Game | - | - | 1988 | - |
| - | M. Pratt Productions | ? | 1 Game | 48% | - | ? | - |
| M. Seine URL | Active | 1 Game | 64% | de | 1999 | One of the makers of the fantastic Shareware 'Tanx' clone 'Battle Duel - Striving for Glory'. |
| - | M.C. Waters | ? | 1 Game | 47% | - | 1994 | - |
| - | M.J. Barker | ? | 1 Game | 27% | - | 1991 | - |
| - | M.W.B. | ? | 2 Games | 33% | - | 1993 | - |
| - | Ma Unlimited | ? | 1 Game | 43% | - | 2001 | - |
| - | MA-WE Group | ? | 1 Game | 50% | - | 1989 | - |
| - | Mac Soft | ? | 6 Games | 43% | - | 1992-1995 | - |
| - | Mad Professor Software | ? | 1 Game | 15% | - | 1997 | - |
| Mad Scientist Software URL | Active | 1 Game | 16% | en | 1988 | These people developed the game Cardiac Arrest for Amiga. |
| - | Mad Virgin | Active | 1 Game, 1 Demo | 54% | en | 1995-2001 | - |
| - | Maelstrom | ? | 5 Games | 73% | - | 1988-1991? | - |
| - | Maggot Design | Active | 1 Game | 9% | en | 2000 | - |
| - | Magic Arts | ? | 1 Game, 1 Tool | 19% | - | ? | - |
| Magic Bytes URL (now called Fun + Magic) | Dead | 21 Games, 1 Demo, 1 Reference | 64% | de,en | 1987-1996? | German software company. |
| - | Magic Games | ? | 1 Game | 36% | - | 1995 | - |
| - | Magic Logic | ? | 1 Game | 68% | - | 1986 | - |
| - | Magic Rabbitt | ? | 1 Game | 54% | - | 1998 | - |
| - | Magic Soft | ? | 12 Games | 47% | - | 1989-1991? | - |
| Magnetic Fields URL | Active | 13 Games, 3 CDs | 88% | en | 1989-1994? | The racing heroes from Magnetic Fields have brought us games like 'Lotus', 'Super Cars' and racing sims on the PC. |
| - | Magnetic Images | ? | 2 Games | 61% | - | 1988-1990 | - |
| Magnetic Scrolls URL (bought by Microprose) | Dead | 8 Games | 78% | en | 1986-1991 | Their text adventures are unforgettable master pieces. Thanks Mrs. Sinclair! |
| - | Magnetica Development | ? | 1 Game | 51% | - | 1991 | - |
| - | Maitai Entertainment | ? | 1 Game | 73% | - | 1989 | - |
| - | Malcom Lavery | ? | 3 Games | 60% | - | 1991-1995 | - |
| - | Malte MacMende | ? | 1 Game | 11% | - | 2001 | - |
| - | Mandarin Software (bought by Europress) | Dead | 3 Games, 3 Tools, 1 Reference | 67% | - | 1988-1991 | - |
| - | Manley Associates | ? | 1 Game | - | - | 1991 | - |
| Manta Soft URL | Active | 10 Games | 57% | en | 1997-2000? | MantaSoft is a small Amiga PD software programming and web page designing company. |
| - | Mantisoft | ? | 1 Game | 26% | - | ? | - |
| - | Mantronix | ? | 2 Games, 14 Modules | 75% | - | 1989-1992? | - |
| - | Manyk | ? | 2 Games, 2 CDs | 68% | - | 1995-1996? | - |
| Marble Eyes URL | Active | 1 Game, 1 CD | 46% | en | 1998 | Have created the outstanding 3D shooter 'Genetic Species'. |
| - | Marc Fischlin | ? | 1 Game | 41% | - | 1991 | - |
| - | Marc Lafontaine | ? | 1 Game | 40% | - | ? | - |
| - | Marc Le Douarain | ? | 1 Game | 29% | - | 2000 | - |
| - | Marc LeDouarain | ? | 1 Game | 30% | - | 1996 | - |
| - | Marc R. Miller | ? | 1 Game | 24% | - | 1994 | - |
| - | Marco Vigelius | ? | 1 Game | 23% | - | 1994 | - |
| Marco URL | Active | 1 Game | 41% | en | 1995 | Creator of the freeware game 'Atomic Bombers'. |
| - | Marcus G. | ? | 1 Game | 64% | - | ? | - |
 | Mario Graziani MAIL | ? | 1 Game | 42% | - | ? | - |
| - | Mario Klueser | ? | 1 Game | 30% | - | 1994 | - |
| - | Mark Anthony Tierno | ? | 1 Game | 10% | - | ? | - |
| - | Mark Green | ? | 1 Game | 26% | - | 1993 | - |
| - | Mark Howson | ? | 1 Game | 68% | - | 1992 | - |
| getit | Maker | Status | Projects | Rating | Lang | Years | Additional Comments |