| Abbreviation | Definition |
|---|---|
| SSE2 | Streaming SIMD (Single Instruction, Multiple Data) Extensions 2 |
| SSEL | System and Software Engineering Lab |
| SSHB | Server-Side Header Bidding |
| SSI | Satellite Software International |
| SSI | Satellite Software International, Inc |
| SSI | Scientific Software International |
| SSI | Single System Image |
| SSL | Scalable Software Library |
| SSL | Secure Socket Layer |
| SSL | Software Site Licensing |
| SSL | System Specification Language |
| SSLM | Software Services Lifecycle Management |
| SSM | Simple Software Manager |
| SSM | Solid Surface Modeler |
| SSM | System Software Manager |
| SSM | Systems Software Manager |
| SSMB | SAP Solutions for Mobile Business |
| SSML | Speech Synthesis Markup Language |
| SSMM | Software Sustainability Maturity Model |
| SSMN | Spatialization Symbolic Music Notation |