| Abbreviation | Definition |
|---|---|
| QSC | Quantitative Shoreline Characterization |
| QSE | QuadScan Elite |
| QSE | Quality Software Engineering |
| QSF | Quick Sound Field |
| QSOS | Qualification and Selection of Open Source software |
| QSP | Quality Software Products |
| QSPS | Quality System For Production Software |
| QSS | Quality Software Solutions |
| QSTA | Quantitative Sustainability Time-series Analysis |
| QSU | Quick Start Unix |
| QSV | Quake II Scene Viewer |
| QSV | QuickSync Video |
| QSX | Querying and Storing XML |
| Qt | cue-tee |
| QT | Quick Table |
| QT | Quick Template |
| QT | Quick Time |
| QT | Quick Tran |
| QT | Quicktime |
| QTC | Quick Textfile Converter |