| Abbreviation | Definition |
|---|---|
| SHAD | Software Hardware Allocation Database |
| SHARD | Software Hazard Analysis and Resolution in Design |
| SHEL | Software Hardware Environment And Liveware |
| SHF | Software and Hardware Foundations |
| SHI | Software House International |
| SHIT | Special High Intensity Testing |
| SHOE | Simple HTML Ontology Extension |
| SIAPI | search and index application programming interface |
| SIB | Simple Interpreter Builder |
| SIB | Static Input Block |
| SIC | Sci Interpreter Compiler |
| SIC | Semantic Information Content |
| SICP | Structure and Interpretation of Computer Programming |
| SID | Software Item Description |
| SID | Still In Development |
| SIED | Software Implemented Error Detection |
| SIF | Sound Installer File |
| SIFR | Scalable Inman Flash Replacement |
| SIFT | Scale Invariant Feature Transform |
| SIFT | Software Implemented Fault Tolerance |