| Abbreviation | Definition |
|---|---|
| ACC | Aspect Component Configuration |
| ACCDB | Microsoft's Access Database |
| ACCS | Association of Copyright for Computer Software |
| ACCU | Association of C/C++ Users |
| ACD | Automated Configuration Documentation |
| ACE | Active Content Engine |
| ACE | Adobe Color Engine |
| ACE | Anti Chop Eye |
| ACE | Application Connection Extension |
| ACE | Applications, Connections, and Extensions |
| ACE | Automated Chatting Engine |
| ACES | Acona Cost Estimation Software |
| ACES | Autodesk Comprehensive Education Solution |
| ACES | Automated Communications Engineering Software |
| ACG | The Access Control Group |
| ACGI | Application Common Gateway Interface |
| ACGI | Asynchronous Common Gateway Interface |
| ACGM | Adaptive Color Gamut Mapping |
| ACI | Automatic Calibration Interface |
| ACID | Abstract Consciousness In Development |