GD – Geographical Device
GDF – Geographical Data File (Illinois)
GEMS – Global Environmental Monitoring System
GIF – Graphics Interchange Format
GILA – Government of India Librarians Association (known as Association of Govt. Librarians and Information Specialists)
GIP – General Information Programme
GIPSY – General Information Processing System (Univ. of Oklahoma)
GIS – Geographic Information Systems (Colorado); Guidance Information System (Connecticut)
GPO – Government Printing Office
GRACE – Graphic Arts Composing Equipment (USA) [Equipment for computer controlled typesetting]
GSI – General Subject Index
GUI – Graphical User Interface
