| Malvern PEAQ ITC |
| Man On The Moon |
| Marvin Suite |
| Mathematica |
| Matlab |
| Matplotlib |
| Maven |
| meld |
| Mendeley Desktop |
| Mestrenova |
| MestreNova Lite CDE |
| Met Office PP Unpack (libmo_unpack) |
| Microsoft Office Pro Plus |
| MobaXterm Xserver |
| MoloVol |
| MOPAC |
| MPICH |
| Mplayer and mencoder |