| Abbreviation | Definition |
|---|---|
| STKU | Smart Table-top Kit Upgrade |
| STKZ | StreamTokenizer |
| STL | Standard Template Library |
| STL | Standard Triangulation Language |
| STLC | Software Testing Life Cycle |
| STLDD | Software Top Level Design Document |
| STLR | Software Testing LoadRunner classes |
| STM | Software Transactional Memory |
| STM | Support Tool Manager |
| STMA | Software Test Management Adapter |
| STML | Spoken Text Markup Language |
| STMP | Simple Transportation Management Protocol |
| STOP | Systematic Turnaround Operation Planning |
| STOPS | Simplified Trips on Project Software |
| STP | Software Test Plan |
| STP | Speed Test Pro |
| STPH | Software Technology Park Hyderabad |
| STPI | Software Technology Park of India |
| STPI | Software Technology Parks of India |
| STPI | Software Test Process Improvement |