GDD may refer to:
*
Game design document
A game design document (often abbreviated GDD) is a highly descriptive living software design document of the design for a video game. Oxland 2004, p. 240 Brathwaite, Schreiber 2009, p. 14 A GDD is created and edited by the development team and ...
, a design document specific to video games
*
Gaseous detection device, a technology used with some electron microscopes and similar instruments
*
Geographically distributed development
*
Glaucoma drainage device
*
Global data dictionary
*
Global drug development
*
Global developmental delay
Global developmental delay is an umbrella term used when children are significantly delayed in two or more areas of development. It can be diagnosed when a child is delayed in one or more milestones, categorised into motor skills, speech delay, spe ...
, a childhood medical disorder
*Goal-directed design, a user interface design method developed by software designer
Alan Cooper
*Group delay dispersion (or
group velocity dispersion), effect of a medium on an optical signal
*
Google Developer Day, Google promotional events for developers
*''
Great Dragon's Dale'', a Russian-language video gaming magazine
*
Green degree directory
*
Growing degree-day, a unit for measuring climatic warmth over a period of time
{{disambig