| Arkextensions | 1 | 1 |
| Arki-Db | 1 | 1 |
| Arkoon | 2 | 3 |
| Arlo | 6 | 11 |
| Arm | 81 | 277 |
| Arm Trusted Firmware Project | 1 | 1 |
| Armada Design | 1 | 1 |
| Armagetron | 2 | 6 |
| Armagetronad | 2 | 2 |
| Armanidrisi | 1 | 2 |
| Armassa | 2 | 4 |
| Armcode | 2 | 2 |
| Armemberplugin | 1 | 7 |
| Armin Burgmeier | 1 | 2 |
| Armoli | 1 | 1 |
| Armorlogic | 1 | 5 |
| Armorx | 1 | 1 |
| Armorxgt | 1 | 1 |
| Armpit Spa & Girl Games Project | 1 | 1 |
| Arne Redlich & Ross Walker | 1 | 1 |
| Arnoldgoodway | 2 | 2 |
| Arnos Toolbox | 1 | 1 |
| Arnotic | 1 | 1 |
| Arora-Browser | 1 | 2 |
| Aroundme | 1 | 3 |
| Arox | 4 | 9 |
| Arpanet | 1 | 1 |
| Arqbackup | 1 | 2 |
| Arr Project | 1 | 3 |
| Arr-Flatten-Unflatten Project | 1 | 1 |
| Array-Queue Project | 1 | 1 |
| Array-Tools Project | 1 | 1 |
| Arrayfire | 1 | 1 |
| Arrayfire-Js Project | 1 | 1 |
| Arraynetworks | 2 | 6 |
| Arris | 24 | 45 |
| Arrl | 1 | 1 |
| Arrow-Kt | 1 | 1 |
| Arrowplugins | 2 | 5 |
| Arsc Really Simple Chat | 1 | 1 |
| Arscode | 1 | 1 |
| Arsdigita | 2 | 2 |
| Arsenol Project | 1 | 1 |
| Arslansoft Education Portal Project | 1 | 4 |
| Arswp | 1 | 2 |
| Artbees | 4 | 23 |
| Artetics | 1 | 1 |
| Artezio | 1 | 1 |
| Artha Project | 1 | 1 |
| Arthousewebdesign | 1 | 1 |
| Arthur Konze Webdesign | 2 | 3 |
| Arthurdejong | 1 | 2 |
| Artica | 2 | 50 |
| Artica-Proxy | 1 | 1 |
| Articatech | 2 | 12 |
| Article Dashboard | 1 | 3 |
| Article Directory | 1 | 1 |
| Article Directory Project | 1 | 1 |
| Article Script | 1 | 1 |
| Article System | 1 | 2 |
| Article2Pdf Project | 1 | 2 |
| Articlebeach | 1 | 1 |
| Articlecms Project | 1 | 4 |
| Articlefriend | 1 | 1 |
| Articlefriendly | 1 | 3 |
| Articlesone | 1 | 1 |
| Artifacthub | 1 | 3 |
| Artifectx | 1 | 1 |
| Artifex | 10 | 240 |
| Artificial Intelligence Project | 1 | 1 |
| Artio | 1 | 1 |
| Artion-Sec | 1 | 1 |
| Artiosmedia | 1 | 1 |
| Artiphp | 1 | 2 |
| Artis.Imag | 1 | 2 |
| Artisanworkshop | 1 | 2 |
| Artisoft | 1 | 1 |
| Artiss | 1 | 1 |
| Artistscope | 2 | 5 |
| Artixlinux | 1 | 1 |
| Artmedic Webdesign | 5 | 9 |
| Artonx.Org | 1 | 1 |
| Artplacer | 1 | 3 |
| Artprojectgroup | 1 | 1 |
| Artscore Studios | 1 | 1 |
| Artsd | 1 | 1 |
| Artsoft | 1 | 1 |
| Artsproject | 1 | 1 |
| Artur Sikora | 1 | 1 |
| Artware Cms Project | 1 | 1 |
| Artworks Gallery In Php, Css, Javascript, And Mysql Project | 1 | 2 |
| Aruba | 3 | 6 |
| Aruba Networks | 3 | 5 |
| Arubanetworks | 55 | 596 |
| Arulprasadj | 2 | 2 |
| Arush | 1 | 1 |
| Arvados | 1 | 2 |
| Arvato | 1 | 1 |
| Arvidn | 1 | 1 |
| Arvtard | 1 | 1 |
