| Abbreviation | Definition |
|---|---|
| TAMS | Time Accounting Management Software |
| TAMS | Total Availability Monitoring Solution |
| TAO | Testability, Analysis, and Optimization |
| TAO | The Ace Orb |
| TAOCP | The Art Of Computer Programming |
| TAOUP | The Art Of Unix Programming |
| TAPL | Types and Programming Languages |
| TAPS | Therapeutic Activation Programming for Seniors |
| TAR | Technical Assistance Request |
| TARMAC | Taxi and Ramp Management and Control |
| TASO | Truncated Address Space Option |
| TASP | Tactical Advanced Signal Processing |
| TASS | Tracking Analytics Software Suite |
| TASSL | The Application Software Systems Laboratory |
| TAST | Trial Advocacy Skills Training |
| TATFT | Test All The Frigging Time |
| TAU | True Audio Software |
| TAV | Tigr Array Viewer |
| TAWT | Time Attendance WEB Tracking System |
| TAX | Tiny API for XML |