| Martcoin | 1 | 1 |
| Martem | 7 | 22 |
| Martin Bauer | 1 | 7 |
| Martin Diphoorn | 1 | 1 |
| Martin Hamilton | 1 | 1 |
| Martin Helmich | 1 | 1 |
| Martin Hess | 1 | 2 |
| Martin Hesse | 1 | 1 |
| Martin Lambers | 2 | 6 |
| Martin Lee | 1 | 1 |
| Martin Nagy | 1 | 2 |
| Martin Pitt | 1 | 2 |
| Martin Roesch | 1 | 26 |
| Martin Stover | 1 | 2 |
| Martin Unzner | 1 | 1 |
| Martinicreations | 1 | 1 |
| Martinjw | 1 | 1 |
| Martinwood | 1 | 2 |
| Marty Bochane | 1 | 1 |
| Martyn Kilbryde | 1 | 1 |
| Maruuo Factory | 3 | 3 |
| Marvell | 59 | 125 |
| Marvil07 | 1 | 1 |
| Marvinlabs | 1 | 5 |
| Masa2el | 1 | 1 |
| Masahiko Watanabe | 1 | 1 |
| Mascov | 1 | 1 |
| Mash Room - Free Cgi - | 1 | 1 |
| Masir Camp | 1 | 1 |
| Masqmail | 1 | 5 |
| Masquito2013 | 1 | 1 |
| Mass Contact Project | 1 | 1 |
| Mass Gaming Tv Project | 1 | 1 |
| Masscode | 1 | 1 |
| Masselink | 1 | 1 |
| Massif Project | 1 | 1 |
| Massimo Chioni | 1 | 1 |
| Massive Entertainment | 3 | 4 |
| Master-addons | 1 | 2 |
| Mastercard | 1 | 1 |
| Masterk | 1 | 2 |
| Masterlab | 1 | 6 |
| Mastersfusion | 1 | 1 |
| Mastersoft | 8 | 8 |
| Mastodon | 2 | 10 |
| Mastodon-tootdon | 1 | 1 |
| Masuga Design | 1 | 3 |
| Mat-sz | 1 | 1 |
| Mata | 1 | 1 |
| Matamko | 1 | 1 |
| Match Clone Script Project | 1 | 1 |
| Matchalabs | 1 | 1 |
| Matchboxdesigngroup | 1 | 1 |
| Mate-desktop | 2 | 2 |
| Matera | 1 | 6 |
| Materializecss | 1 | 4 |
| Matestack | 2 | 2 |
| Math-geon | 1 | 1 |
| Math.js | 1 | 2 |
| Mathew Winstone | 1 | 1 |
| Mathi | 1 | 1 |
| Mathias Schreiber | 1 | 1 |
| Mathieu Vidal | 2 | 2 |
| Mathijs Koenraadt | 1 | 1 |
| Mathjax | 1 | 2 |
| Mathjs | 2 | 4 |
| Mathjs Project | 1 | 2 |
| Mathon Nicolas | 1 | 1 |
| Mathopd | 1 | 3 |
| Mathsoft | 1 | 2 |
| Matio Project | 1 | 24 |
| Matisbt | 1 | 49 |
| Matomo | 2 | 23 |
| Matpo | 1 | 2 |
| Matpo Bilder Galerie | 2 | 3 |
| Matrikonopc | 4 | 5 |
| Matrix | 7 | 74 |
| Matrix-media-repo Project | 1 | 2 |
| Matrix-org | 12 | 81 |
| Matrix-react-sdk Project | 1 | 6 |
| Matrix42 | 2 | 3 |
| Matrixs Cgi Vault | 1 | 2 |
| Matrixssl | 1 | 27 |
| Matroska | 6 | 30 |
| Matsushita Research | 1 | 2 |
| Matt Blaze | 2 | 2 |
| Matt Kimball And Roger Wolff | 1 | 4 |
| Matt Kruse | 1 | 1 |
| Matt Mullenweg | 1 | 2 |
| Matt Smith | 1 | 1 |
| Matt Tourtillott | 1 | 1 |
| Matt Wright | 7 | 17 |
| Matt Dev | 2 | 2 |
| Matteo | 1 | 1 |
| Matteo Binda | 1 | 1 |
| Matteo Lucarelli | 1 | 1 |
| Matteo Ricchetti | 1 | 1 |
| Matteoiammarrone | 1 | 46 |
| Matteolucarelli | 1 | 1 |
| Matter-labs | 1 | 1 |
