| Activecollab | 1 | 4 |
| Activedesign | 2 | 2 |
| Activedev | 1 | 1 |
| Activehelper | 2 | 2 |
| Activepdf | 3 | 126 |
| Activerecord Project | 1 | 3 |
| Activereportsexcelreport | 1 | 1 |
| Activestate | 3 | 9 |
| Activesupport Project | 1 | 1 |
| Activeweb | 1 | 4 |
| Activewebsoftwares | 18 | 35 |
| Activex Soft | 1 | 1 |
| Activision | 8 | 16 |
| Activity | 1 | 3 |
| Activity Log Team | 1 | 1 |
| ActivityWatch | 2 | 2 |
| Activity Log Project | 1 | 3 |
| Activity Mod Plus | 1 | 2 |
| Activxperts Software | 1 | 1 |
| Actix | 5 | 8 |
| Actonic | 1 | 1 |
| Actorskey | 1 | 1 |
| Actsite | 1 | 2 |
| Actualscripts | 5 | 6 |
| Acuitybrands | 1 | 1 |
| Acuma | 1 | 1 |
| Acumos | 1 | 1 |
| Acunetix | 1 | 5 |
| Acurax | 2 | 2 |
| Acurax Technologies | 1 | 1 |
| Acushop | 1 | 1 |
| Acutecp | 1 | 1 |
| Acutecp.rediscussed | 1 | 1 |
| Acvsws | 1 | 1 |
| AcyMailing | 3 | 4 |
| AcyMailing Newsletter Team | 1 | 1 |
| Acyba | 2 | 4 |
| Ad-manager Project | 1 | 1 |
| Ad-minister Project | 1 | 1 |
| Ad2000 | 1 | 1 |
| AdFoxly | 1 | 2 |
| AdTribes.io | 1 | 3 |
| Ad Buttons Project | 1 | 1 |
| Ad Inserter Project | 1 | 3 |
| Ada | 1 | 5 |
| Ada Core Technologies | 1 | 1 |
| Adacore | 1 | 1 |
| Adalis | 1 | 1 |
| Adalis Infomatique | 1 | 1 |
| Adaltas | 2 | 2 |
| Adaltech | 1 | 1 |
| Adam Retail Automation Systems | 1 | 1 |
| Adam Skaat | 2 | 5 |
| Adam Gerson | 1 | 1 |
| Adam Jarret | 1 | 1 |
| Adam Kennedy | 1 | 1 |
| Adam Megacz | 1 | 1 |
| Adam Mmedici | 1 | 2 |
| Adam Ross | 1 | 1 |
| Adam Scheinberg | 1 | 5 |
| Adam Tomecek | 1 | 3 |
| Adam Van Dongen | 2 | 2 |
| Adam Webb | 1 | 2 |
| Adam Zaninovich | 1 | 1 |
| Adammo | 1 | 1 |
| Adaptbb | 1 | 2 |
| Adaptcms | 1 | 8 |
| Adaptec | 1 | 1 |
| Adaptive Business Design | 1 | 1 |
| Adaptive Technology Resource Centre | 1 | 42 |
| Adaptivecomputing | 2 | 11 |
| Adaptivedisplays | 2 | 2 |
| Adaptivescale | 1 | 1 |
| Adaptweb | 1 | 2 |
| Adastra | 1 | 1 |
| Adastra Crypto | 1 | 2 |
| Adaware | 1 | 5 |
| Adazing | 1 | 1 |
| Adb | 1 | 2 |
| Adb-driver Project | 1 | 1 |
| Adbglobal | 6 | 17 |
| Adblock | 1 | 2 |
| Adblockplus | 1 | 1 |
| Adbnewssender | 1 | 4 |
| Adbnewssender Project | 1 | 4 |
| Adbyby Project | 1 | 1 |
| Adcentrix | 1 | 1 |
| Adcillc | 1 | 1 |
| Adcisolutions | 1 | 1 |
| Adcolony | 1 | 1 |
| Adcomplete | 1 | 2 |
| Adcon | 1 | 4 |
| Adcon Telemetry | 1 | 1 |
| Adcycle | 1 | 4 |
| Add Sidebar | 1 | 1 |
| Add2it | 1 | 2 |
| Add From Server Project | 1 | 1 |
| Add Link To Facebook Project | 1 | 1 |
| Addalink | 1 | 2 |
| Addify | 1 | 1 |
