| Accoria | 1 | 5 |
| Accounting Journal Management Project | 1 | 1 |
| Accounting Receiving And Inventory Administration | 1 | 5 |
| Accountsservice Project | 1 | 4 |
| Accredible | 1 | 1 |
| Accruent | 1 | 1 |
| Accscripts | 4 | 6 |
| Accu-time | 1 | 1 |
| Accuenergy | 4 | 8 |
| Accupos | 1 | 1 |
| Accusoft | 4 | 61 |
| Acd Incorporated | 1 | 1 |
| Acd Systems | 3 | 14 |
| Acdsee | 9 | 28 |
| Ace Helpdesk | 1 | 1 |
| Ace Image Hosting Script | 1 | 1 |
| Aceboard | 1 | 1 |
| Acegisecurity | 1 | 1 |
| Aceka | 1 | 1 |
| Acemetrix | 1 | 1 |
| Acer | 48 | 56 |
| Aceviral | 1 | 1 |
| Aceware | 1 | 5 |
| Acexy | 1 | 2 |
| Acexy Wireless-n Wifi Repeater Project | 1 | 1 |
| Acf\ | 1 | 1 |
| Acf To Rest Api Project | 1 | 1 |
| Acfp Project | 1 | 1 |
| Acftp | 1 | 3 |
| Acgv.free | 1 | 4 |
| Acgv News | 1 | 4 |
| Acgvclick | 1 | 1 |
| Achal Dhir | 1 | 2 |
| Achievo | 1 | 12 |
| Achmad Zaenuri | 1 | 1 |
| Aci | 1 | 3 |
| Aci Escola Project | 1 | 1 |
| Acid | 1 | 3 |
| Acid Stats | 1 | 1 |
| Acidcat | 2 | 9 |
| Acilia | 1 | 1 |
| Acinq | 1 | 2 |
| Aclogic | 1 | 6 |
| Acme | 4 | 24 |
| Acme.sh Project | 1 | 1 |
| Acme Labs | 3 | 20 |
| Acnews | 1 | 1 |
| Acobot Live Chat \& Contact Form Project | 1 | 1 |
| Acoustic Technology, Inc. (ATI Systems) | 2 | 2 |
| Acoustica | 4 | 5 |
| Acp3 | 1 | 3 |
| Acquia | 4 | 30 |
| Acquisition, Technology & Logistics Agency | 1 | 2 |
| Acra | 1 | 1 |
| Acresso | 2 | 9 |
| Acritum | 1 | 1 |
| Acrolinx | 1 | 1 |
| Acronis | 24 | 158 |
| Acrontum | 1 | 1 |
| Actfax | 1 | 1 |
| Acti | 2 | 3 |
| Actian | 5 | 17 |
| Actinic | 1 | 1 |
| Actionapps | 1 | 1 |
| Actionlauncher | 1 | 2 |
| Actionpack Project | 1 | 3 |
| Actionpoll | 1 | 3 |
| Actions-micro | 1 | 1 |
| Actions-semi | 5 | 15 |
| Actiontec | 6 | 9 |
| Active It Zone | 1 | 1 |
| Active121 | 1 | 1 |
| ActiveFusions Co., Ltd. | 1 | 1 |
| ActiveITzone | 1 | 1 |
| ActiveSoft | 1 | 1 |
| Active 24 Project | 1 | 1 |
| Active Php Bookmarks | 1 | 3 |
| Active Server Corner | 1 | 1 |
| Active Trade | 1 | 2 |
| Active Web Softwares | 6 | 13 |
| Active Web Suite Technologies | 1 | 1 |
| Activecalendar | 1 | 2 |
| Activecampaign | 8 | 17 |
| Activecollab | 1 | 4 |
| Activedesign | 2 | 2 |
| Activedev | 1 | 1 |
| Activehelper | 2 | 2 |
| Activepdf | 3 | 127 |
| 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 |
