Medicine

• Geriatric Depression Scale
  Geriatric Depression Scale
  The Geriatric Depression Scale is a 30-item self-report assessment used to identify depression in the elderly.-Description:The GDS questions are answered "yes" or "no", instead of a five-category response set. This simplicity enables the scale to be used with ill or moderately cognitively impaired...
  
  , a simple, self-administered assessment of depression among the elderly.
• Global Deterioration Scale, a standardized system of evaluating the progression of dementia, specifically in Alzheimer's Disease
  Alzheimer's disease
  Alzheimer's disease also known in medical literature as Alzheimer disease is the most common form of dementia. There is no cure for the disease, which worsens as it progresses, and eventually leads to death...
  
  .

Schools

• Georgetown Day School
  Georgetown Day School
  Georgetown Day School is a pre-K-12 private preparatory school in Washington, D.C..-History:GDS was founded in 1945 as the first integrated school in the District of Columbia.-Academics:...
  
  , a private school in Washington, DC, USA.
• Greensboro Day School
  Greensboro Day School
  Greensboro Day School is a private, non-sectarian school, K-12 located in Greensboro, North Carolina.-History:The school was established in 1970. The school enrolls students in transitional-kindergarten through twelfth grade and is fully accredited by the Southern Association of Colleges and...
  
  , a private school in Greensboro, NC, USA.

Businesses, services, protocols

• "G.D.S.", a song that appears in the 2004 Saku album by Japanese rock band Dir en grey.
• Gaelic Digital Service, an initiative which includes BBC Radio nan Gàidheal
  BBC Radio nan Gàidheal
  BBC Radio nan Gàidheal is a British radio station, broadcasting in Scottish Gaelic. It is operated by the BBC as part of its portfolio of television and radio services broadcasting to Scotland....
  
   in Scotland.
• Game Developers Session
  Game Developers Session
  Game Developers Session is an annual conference on game development.It is a regular meeting of game developers from Central Europe, especially Czech and Slovak.The first GDS conference was in 2003...
  
  , annual conference
• Global Dialing Scheme
  Global Dialing Scheme
  The Global Dialing Scheme is numbering plan for H.323 audio-visual communication networks . Based on the numerology provided by the United Nations International Telecommunications Union, GDS numerology resembles the international telephone system numbering plan, with some exceptions.The Global...
  
  , a numbering plan for video and voice over IP networks.
• Global Directory Server
  Global Directory Server
  A Global Directory Server is a central repository for user information and application data that spans the Internet, intranets and organization-specific extranets...
  
  , a directory for user information and other applications data
• Global Distribution System
  Computer reservations system
  A computer reservations system is a computerized system used to store and retrieve information and conduct transactions related to air travel. Originally designed and operated by airlines, CRSes were later extended for the use of travel agencies...
  
  , computer reservations systems for searching, reserving, and purchasing travel products.
• Google Desktop
  Google Desktop
  Google Desktop is desktop search software made by Google for Linux, Mac OS X, and Microsoft Windows. The program allows text searches of a user's e-mails, computer files, music, photos, chats, Web pages viewed, and other "Google Gadgets"....
  
   Search, a software application for searching files stored on a local area network or a hard disk.
• UK Government Decontamination Service
  UK Government Decontamination Service
  The UK Government Decontamination Service is an organisation within the UK Government that provides advice and guidance to help the UK resist and recover from any deliberate or accidental release of chemical, biological, radiological or nuclear materials or from major accidental releases of...
  
  , a UK Government executive agency dealing with chemical, biological, radiological, and nuclear resistance and recovery.
• GDSII
  GDSII
  GDSII stream format, common acronym GDSII, is a database file format which is the de facto industry standard for data exchange of integrated circuit or IC layout artwork. It is a binary file format representing planar geometric shapes, text labels, and other information about the layout in...
  
   (Graphic Data System II), a format for integrated circuit layout data.
• Gribskovbanen
  Gribskovbanen
  Gribskovbanen is a local passenger railway north of Copenhagen in Denmark, now part of the Lokalbanen system. It runs north from Hillerød where transfers from the S-train system as well as other Lokalbanen lines are possible, and through the Grib Skov forest...
  
  s Driftsselskab, a Danish railway company.

Political parties

• Građanska Demokratska Stranka
  Citizens' Democratic Party
  The Citizens' Democratic Party is a multi-ethnic political party in Bosnia and Herzegovina.At the legislative elections, 5 October 2002, the party won no seats in the House of Representatives of Bosnia and Herzegovina, but 1 out of 140 seats in the House of Representatives of the Federation of...
  
  , "Citizens' Democratic Party", a political party in Bosnia and Herzegovina