| Abbreviation | Definition |
|---|---|
| GSON | Google Search Organization Network |
| GSPOT | Graphics System Processor Operating Tool |
| GSRR | Game Software Rating Regulations |
| GSS | Geometer's Sketchpad Script |
| GSS | Group Support System |
| GSSAPI | Generic Security Service API a programming interface |
| GSSAPI | Generic Security Services Application Program Interface |
| GSSAPI | Generic Security Services Application Programming Interface |
| GST | Gnome System Tools |
| GSTD | Generalized Software Transactional Data |
| GTASA | Grand Theft Auto : San Andreas |
| GTE | Generic Tile Engine |
| GTK | Gimp Tool Kit |
| GTK | GOBI Tool Kit |
| GTL | Generation Template Language |
| GTLD | Generic Top Level Domain |
| GTRD | Go To Real Downloads |
| GTS | Gnu Triangulated Surface |
| GTUG | Google Technology User Group |
| GU | Guardian Ubiquitos |