| Ari Pikivirta | 1 | 6 |
| Aria | 1 | 5 |
| Aria2 Project | 1 | 1 |
| Ariadne | 3 | 5 |
| Ariadne-cms | 1 | 3 |
| Arialsoftware | 1 | 0 |
| Arian Khosravi, Norik Davtian | 1 | 1 |
| Ariang Project | 1 | 1 |
| Ariba | 1 | 1 |
| Ariel Barreiro | 2 | 2 |
| Aries Networks | 1 | 1 |
| Arif Supriyanto | 1 | 22 |
| Arihiro Kurta | 1 | 1 |
| Arisglobal | 1 | 1 |
| Arista | 30 | 136 |
| Arista Networks | 6 | 27 |
| Arizona-dream | 1 | 1 |
| Arj Software | 1 | 0 |
| Arj Software Inc. | 1 | 2 |
| Arjohn Kampman | 1 | 1 |
| Arjsoftware | 1 | 2 |
| ArjunSharda | 1 | 1 |
| Arjunsharda | 1 | 1 |
| Ark-web | 4 | 6 |
| Arkeia | 3 | 7 |
| Arkextensions | 1 | 1 |
| Arki-db | 1 | 1 |
| Arkoon | 2 | 3 |
| Arlo | 2 | 3 |
| Arm | 60 | 176 |
| Arm Ltd | 10 | 27 |
| Arm Trusted Firmware Project | 1 | 3 |
| Armada Design | 1 | 1 |
| Armagetron | 2 | 8 |
| Armagetronad | 2 | 8 |
| Armassa | 2 | 4 |
| Armcode | 1 | 1 |
| Armin Burgmeier | 1 | 2 |
| Armoli Technology | 1 | 1 |
| ArmorX | 1 | 0 |
| ArmorX Global Technology Corporation | 1 | 1 |
| Armorlogic | 1 | 5 |
| Armpit Spa \& Girl Games Project | 1 | 0 |
| Arnan De Gans | 1 | 1 |
| Arne Brachhold | 1 | 1 |
| Arne Redlich \& Ross Walker | 1 | 3 |
| Arno0x | 1 | 1 |
| Arnos Toolbox | 1 | 1 |
| Arnotic | 1 | 1 |
| Arora-browser | 1 | 2 |
| Aroundme | 1 | 4 |
| Arox | 4 | 4 |
| Arp Protocol | 1 | 1 |
| Arpanet | 1 | 1 |
| Arqbackup | 1 | 4 |
| Arr-flatten-unflatten Project | 1 | 1 |
| Arr Project | 1 | 3 |
| Array-queue Project | 1 | 1 |
| Array-tools Project | 1 | 1 |
| Arrayfire | 1 | 1 |
| Arraynetworks | 2 | 5 |
| Arris | 20 | 33 |
| Arrl | 1 | 2 |
| Arrow Plugins | 2 | 3 |
| Arrow-kt | 1 | 1 |
| Arsc Really Simple Chat | 1 | 1 |
| Arscode | 1 | 1 |
| Arsdigita | 2 | 2 |
| Arsham Mirshah | 1 | 1 |
| Arshid | 1 | 2 |
| ArslanSoft | 1 | 5 |
| Arswp | 1 | 2 |
| ArtBees | 3 | 10 |
| Art Gallery Management System Project | 1 | 8 |
| Artem Abramovich | 1 | 1 |
| Artesãos | 1 | 3 |
| Artetics | 1 | 1 |
| Artezio | 1 | 1 |
| Artha Project | 1 | 1 |
| Arthmoor | 1 | 1 |
| Arthur Konze Webdesign | 2 | 4 |
| Arthurdejong | 1 | 2 |
| Artica | 2 | 29 |
| Artica PFMS | 1 | 41 |
| Artica-proxy | 1 | 10 |
| Articatech | 2 | 8 |
| Article Dashboard | 1 | 3 |
| Article Directory | 1 | 1 |
| Article Script | 1 | 1 |
| Article System | 1 | 2 |
| Articlebeach | 1 | 1 |
| Articlecms Project | 1 | 4 |
| Articlefriend | 1 | 1 |
| Articlefriendly | 1 | 3 |
| Articlesone | 1 | 1 |
| Artifectx | 1 | 0 |
| Artifex | 10 | 192 |
| Artifex Software | 1 | 12 |
| Artifex Software Inc. | 1 | 2 |
| Artificial Intelligence Project | 1 | 1 |
