| Abbreviation | Definition |
|---|---|
| EJB | Enterprise Java Beans |
| EKMP | Enterprise Key Management Pillar (IBM) |
| EL | Emacs Lisp |
| EL | Extreme Linux |
| ELA | Event Logging API (Application Programming Interface) |
| ELCO | Embedded Lisp COmpiler or |
| ELF | Embedded Linker Format |
| ELF | English Language Frontend |
| ELF | Essential Lahey Fortran |
| ELF | Extended LISP Functionality |
| ELI | EMACS LISP Interface |
| ELITE | Embedded Linux Integration Tools Environment |
| ELIZA | primitive AI program (1966) after Eliza Doolittle of Pygmalion |
| ELKS | Embeddable Linux Kernel Subset |
| ELLE | Elle Looks Like EMACS |
| ELM | Externally Loaded Media |
| eLML | eLesson Markup Language |
| ELMS | EDI LSOG Mechanization Specification |
| eLNB | Electronic Laboratory Note Book |
| ELP | Equational Logic Programming |