| Abbreviation | Definition |
|---|---|
| GLM | Global Language Monitor |
| GLN | Golf League Network |
| GLOO | Graphics Library d'Object Oriented |
| GLOP | GEVIC Logic Operation Program |
| GLOW | God Loves Our Worship |
| GLPK | GNU Linear Programming Kit |
| GLPP | General Linear Programming Problem |
| GLSL | Graphics Library Shading Language |
| GLU | Graphics Language Utility |
| GLV | Global Line Vectorization |
| GLWT | OpenGL Window Toolkit |
| GM | Game Maker |
| GMC | GNU Midnight Commander |
| GME | Game Master Edition |
| GME | Generic Modeling Environment |
| GME | Group Mind Express |
| GML | Game Maker Language |
| GML | Geography Markup Language |
| GML | Gesture Markup Language |
| GML | Graffiti Markup Language |