| Abbreviation | Definition |
|---|---|
| GUA | GMS User Agent |
| GUI | GIMP User Interface |
| GUIDE | Gnu Utilities Integrated Development Environment |
| GUIDE | Guided User Interface for Didactic Environments |
| GUIDO | Gnome Universal Internet Domain Observatory |
| GUIS | Graphical User Interfaces |
| GUK | Gate Unicode Kit |
| GUN | GOBI Update Numeration |
| GUPS | Geographic Update Partnership Software |
| GURPS | Generic Universal RolePlaying System |
| GUS | Grupo de usuários Slackware (Group of Slackware users - in Portuguese) |
| GUTS | Gaming Utility Tool Set |
| GV | Ghostview For Viewing |
| GVA | Generic Visualization Architecture |
| GVD | Gnu Visual Debugger |
| GVET | Global Virtual Engineering Team |
| GVI | Geometree Visual Interface |
| GVR | Group Virtual Reality |
| GVT | Globalization Verification Test |
| GVT | Graphics Vector Toolkit |