| Maradns | 1 | 16 |
| Maradns Project | 1 | 16 |
| Maran | 3 | 6 |
| Marathon Aleph One | 1 | 1 |
| Marbles | 1 | 1 |
| Marc Cagninacci | 1 | 1 |
| Marc Deslauriers | 1 | 4 |
| Marc Giombetti | 1 | 2 |
| Marc Gloor | 1 | 1 |
| Marc Ingram | 1 | 13 |
| Marc Lehmann | 1 | 7 |
| 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 |
| March Networks | 5 | 6 |
| March-hare | 3 | 3 |
| Marchnetworks | 1 | 1 |
| Marcin Manek | 1 | 2 |
| Marcinkazmierski | 1 | 1 |
| Marcioforum | 1 | 1 |
| Marco D'itri | 2 | 5 |
| Marco Hezel | 1 | 2 |
| Marconi | 2 | 3 |
| Marcos Luiz Onisto | 1 | 1 |
| Marcus Krause | 1 | 1 |
| Marcus S. Xenakis | 2 | 2 |
| Marcus Schafer | 1 | 25 |
| Marcusg | 1 | 1 |
| Marek Sotak | 1 | 1 |
| Marekkis | 1 | 1 |
| Marel | 47 | 99 |
| Marginalia | 1 | 1 |
| Marginalia Project | 1 | 1 |
| Mariadb | 2 | 402 |
| Marinet | 1 | 1 |
| Mario Matzulla | 2 | 3 |
| Mario Valdez | 1 | 19 |
| Mario Valney | 1 | 1 |
| Mariocasciaro | 2 | 4 |
| Marionette-socket-host Project | 1 | 1 |
| Mariovaldez | 1 | 2 |
| Mark Burdett | 1 | 3 |
| 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 | 2 |
| Mark Pilgrim | 1 | 5 |
| Mark Reinsfelder | 1 | 1 |
| Mark Senff | 1 | 2 |
| Mark Stosberg | 1 | 1 |
| Mark Theunissen | 1 | 1 |
| Markany | 1 | 1 |
| Markdown On Save Improved Project | 1 | 1 |
| Markdown On Saved Improved Project | 1 | 1 |
| Markdown-it | 1 | 1 |
| Markdown-it Project | 1 | 3 |
| Markdown-it-highlightjs Project | 1 | 1 |
| Markdown-link-extractor | 1 | 1 |
| Markdown-pdf Project | 1 | 2 |
| Markdown2 Project | 1 | 1 |
| Marked 2 Project | 1 | 1 |
| Marked Project | 1 | 9 |
| Marked-tree Project | 1 | 1 |
| Markedjs | 1 | 9 |
| Marketo Ma Project | 1 | 1 |
| Marketplace Script Project | 1 | 1 |
| Marketpress | 1 | 1 |
| Marklogic | 1 | 11 |
| Marksdailyapple | 1 | 1 |
| Marktext | 1 | 8 |
| Markus Barchfeld | 1 | 1 |
| Markus Blaschke | 1 | 1 |
| Markus Donhauser | 1 | 1 |
| Markus Iser | 1 | 1 |
| Markus Kliegl | 1 | 1 |
| Markus Triska | 2 | 3 |
| Marlam | 2 | 6 |
| Marlinfw | 1 | 1 |
| Marmaraweb | 1 | 2 |
| Marmaro | 1 | 5 |
| Marmelab | 1 | 1 |
| Marmind | 1 | 3 |
| Marmoset | 1 | 1 |
| Maroyaka Image Album Project | 1 | 1 |
| Maroyaka Relay Novel Project | 1 | 1 |
| Maroyaka Simple Board Project | 1 | 1 |
| Marp | 1 | 1 |
| Marshal | 1 | 2 |
| Marshmallow Project | 1 | 1 |
