| Abbreviation | Definition |
|---|---|
| TNS | Target Name Space |
| TOAST | The Open Accounting Software Toast |
| TOAST | The Open Accounting Software Trust |
| TOBI | Technically Obtaining Better Information |
| TOD | Time Of Day |
| TOD | Tools On Demand |
| TOE | TCP Offload Engine |
| TOGAF | The Open Group Architecture Framework |
| TOM | Task Oriented Menu |
| TOM | Toolkit For Object Mapping |
| TOM | Toonami Operations Module |
| TON | Type Of Number |
| TOOLS | Technology Of Object Oriented Languages And Systems |
| TOOT | Tom's Object Oriented Tutorial |
| TORA | Temporally-Ordered Routing Algorithm |
| TOS | Terminal Operating System |
| TOS | ToasterOS (Operating System) |
| TOSD | Twin Oaks Software Development |
| TP | Third Party |
| TPA | Third Party Authentication (computer security) |