| tpl | MIDI-Template eine Dateiendung |
| DOT | Document Template |
| SWT | Shockwave Template |
| STL | Standard Template Library |
| TAL | Template Attribute Language |
| ZPT | Zope Page Template |
| GAT | Generic Application Template |
| POT | Portable Object Template |
| MTB | Modern Template Building |
| DTML | Document Template Markup Language |
| AOT | Application Object Template [engl.] Dateinamen-Erweiterung |
| ATL | Active Template Library [engl.] Firmenbezeichnung [Microsoft] |
| TALES | Template Attribute Language Expression Syntax |
| AXT | Application Object Text Template [engl.] |
| METAL | Macro Expansion Template Attribute Language |
| IOE | I/O Engine |
| ME | Mutation Engine |
| REX | Raster Engine |
| TOE | TCP / IP Offload Engine |
| C.O.E. | Cab over Engine [engl.] Autobus-Bauform [Trambus] |
| GRE | Graphics Engine |
| COE | Cab over Engine [engl.] Nutzfahrzeugbauart: Fahrerhaus über dem Motor |
| GTE | Gas Turbine Engine[ering] |
| RSE | Register Stack Engine |
| SEO | Search Engine Optimization Sucmaschinenoptimierung |
| DBE | Data Base Engine |
| SIE | Serial Interface Engine |
| CSE | Chemistry Simulation Engine |
| ICE | Image and Compression Engine |
| XPEL | X11 Protocol Engine Library |
| DCE | Data Collection Engine |
| RCE | Revision Control Engine |
| EME | Extended Management Engine |
| GTE | Geometry Transfer Engine |
| GDE | Generic Decryption Engine |
| FPE | Floating Point Engine |
| MCE | Management Communication Engine |
| ESE | Extensible Storage Engine |
| ESE | Ethernet Switching Engine |
| MRE | Memory and Rendering Engine |
| SES | Search Engine Strategies |
| SERP | Search Engine Result Page Suchmaschinen-Ergebnisseiten |
| CDBE | NetWare Configuration Database Engine |
| BDE | Borland Database Engine [engl.] Firmenbezeichnung für Datenbanksystem |
| APE | Adaptable Persistence Engine [engl.] |
| TWINKLE | The Weizman Institute Key Locating Engine optoelektronische Maschine zum Aufbrechen des RSA-Algorithmus |
| eps | Micrografx Graphic Engine zum Konvertieren eine Dateiendung |