| Mapos | 1 | 4 |
| Mapos Project | 1 | 1 |
| Mapos Scripts | 6 | 6 |
| Mapping Multiple Urls Redirect Same Page Project | 1 | 1 |
| Mappresspro | 2 | 8 |
| Mapr | 1 | 2 |
| Maps-Js-Icoads Project | 1 | 2 |
| Mapsmarker | 2 | 4 |
| Mapsolutions | 1 | 1 |
| Mapsplugin | 1 | 7 |
| Mapster | 1 | 1 |
| Mapsvg | 2 | 2 |
| Maptools | 2 | 2 |
| Mapway | 1 | 1 |
| Mara Cms Project | 1 | 3 |
| Maracms | 1 | 1 |
| Maradns | 1 | 14 |
| Maradns Project | 1 | 2 |
| Maran | 3 | 5 |
| Marathon Aleph One | 1 | 2 |
| Marbles | 1 | 1 |
| Marc Cagninacci | 1 | 1 |
| Marc Deslauriers | 1 | 1 |
| Marc Giombetti | 1 | 1 |
| Marc Gloor | 1 | 1 |
| Marc Ingram | 1 | 4 |
| Marc Lehmann | 1 | 3 |
| Marc Logemann | 1 | 2 |
| Marc Melvin | 1 | 1 |
| Marc Project | 1 | 1 |
| Marc Schaefer | 1 | 1 |
| Marc Vertes | 1 | 1 |
| Marc-Andre Lanciault | 1 | 1 |
| Marcel Brinkkemper | 2 | 2 |
| Marcello Brandao | 1 | 1 |
| Marcello Vitagliano | 1 | 1 |
| Marcelo Costa | 1 | 1 |
| Marcelominingtoken Project | 1 | 1 |
| Marcelotorres | 1 | 2 |
| March Networks | 5 | 6 |
| March-Hare | 3 | 3 |
| Marchettidesign | 2 | 2 |
| Marchnetworks | 1 | 1 |
| Marcin Manek | 1 | 2 |
| Marcioforum | 1 | 1 |
| Marco D'Itri | 2 | 2 |
| Marco Hezel | 1 | 2 |
| Marcomilesi | 4 | 7 |
| Marconi | 2 | 3 |
| Marcorulicke | 1 | 1 |
| Marcos Luiz Onisto | 1 | 1 |
| Marcosteinbrecher | 1 | 1 |
| Marcus Krause | 1 | 1 |
| Marcus S. Xenakis | 2 | 2 |
| Marcus Schafer | 1 | 11 |
| Marcusg | 1 | 1 |
| Marek Sotak | 1 | 1 |
| Marekkis | 1 | 1 |
| Marel | 24 | 46 |
| Marginalia Project | 1 | 1 |
| Margox | 1 | 1 |
| Mariadb | 3 | 401 |
| Marinet | 1 | 1 |
| Mario Matzulla | 2 | 3 |
| Mario Valdez | 1 | 1 |
| Marionette-Socket-Host Project | 1 | 1 |
| Mariosalexandrou | 1 | 1 |
| Mariovaldez | 1 | 2 |
| Mark Burdett | 1 | 1 |
| Mark Burns | 1 | 1 |
| Mark Burton | 1 | 1 |
| Mark D. Roth | 1 | 1 |
| Mark Evans | 2 | 2 |
| Mark Girling | 1 | 2 |
| Mark Hanson | 1 | 1 |
| Mark Jaquith | 1 | 1 |
| Mark Pilgrim | 1 | 5 |
| Mark Posts Project | 1 | 1 |
| Mark Reinsfelder | 1 | 1 |
| Mark Stosberg | 1 | 1 |
| Mark Theunissen | 1 | 1 |
| Mark User As Spammer Project | 1 | 1 |
| Markany | 1 | 1 |
| Markdown Edit Project | 1 | 1 |
| Markdown On Save Improved Project | 1 | 1 |
| Markdown On Saved Improved Project | 1 | 1 |
| Markdown Preview Enhanced Project | 1 | 2 |
| Markdown To Pdf Project | 1 | 1 |
| Markdown-Electron Project | 1 | 1 |
| Markdown-It Project | 1 | 3 |
| Markdown-It-Decorate Project | 1 | 1 |
| Markdown-It-Highlightjs Project | 1 | 1 |
| Markdown-It-Toc Project | 1 | 1 |
| Markdown-Link-Extractor Project | 1 | 1 |
| Markdown-Pdf Project | 1 | 2 |
| Markdown2 Project | 1 | 1 |
| Markdownify Project | 1 | 2 |
| Marked 2 Project | 1 | 1 |
| Marked Project | 1 | 9 |
| Marked-Tree Project | 1 | 1 |
