| Abbreviation | Definition |
|---|---|
| SDCT | NIST Software Diagnostics and Conformance Testing Division |
| SDCX | Software-Defined Content Exchange |
| SDD | Software Design Description |
| SDD | Software Design Document |
| SDD | Software Detailed Design |
| SDD | Software Development Domain |
| SDD | Subsystem Device Driver |
| SDDC | Software Defined Data Center |
| SDDC | Software Defined Data Centers |
| SDDC | Software Defined Data Centre |
| SDDC | Software-Defined Data Center |
| SDDD | Software Detail Design Document |
| SDDD | Software Detailed Design Document |
| SDE | Smart Development Environment |
| SDE | Software Design Engineer |
| SDE | Software Development Emulator |
| SDE | Software Development Environment |
| SDEC | Software Development and Evolution Conference |
| SDEM | Software Development Engineering Methodology |
| SDER | Secure Debug Enable Register |