Computing

• On Device Portal, a mobile application as service portal or content portal
• Online Data Processing
• Open Directory Project
• Open Distributed Processing
  Distributed computing
  Distributed computing is a field of computer science that studies distributed systems. A distributed system consists of multiple autonomous computers that communicate through a computer network. The computers interact with each other in order to achieve a common goal...
  
  , and its standard reference model RM-ODP
  RM-ODP
  Reference Model of Open Distributed Processing is a reference model in computer science, which provides a co-ordinating framework for the standardization of open distributed processing...
  
  , in computer science
• OpenDocument Presentation, a standard mobile electronic office documents file format made by Sun Microsystems (OpenOffice.org XML), standards set by OASIS technical committee. (File extension .odp)
• Optimistic Distributed Protocol, a two phase wait commit protocol in real-time applications involving distributed databases.
• Orbit Determination Program, type of software used to calculate the orbit
  Orbit
  In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...
  
  s of satellite
  Satellite
  In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....
  
  s
• Oracle's Data Provider (ODP.NET)

Government / Politics

• Open Democratic Party, a political party in India.
• Ökologisch-Demokratische Partei
  Ecological Democratic Party
  The Ecological Democratic Party is an environmentalist political party in Germany. It was founded in 1982 by former members of the German Green Party. The ÖDP combines issues which are not often found together: a focus on state financial support for families and childrearing, and a belief in the...
  
  , a political party in Germany also known as Ecological Democratic Party.
• Özgürlük ve Dayanışma Partisi
  Freedom and Solidarity Party
  Freedom and Solidarity Party is a left-wing party in Turkey. The party has had limited electoral success, although it controls a number of town halls and is influential in some unions of public employees...
  
  , a political party in Turkey that is also known as Freedom and Solidarity Party.

Projects / Programs

• Ocean Drilling Program
  Ocean Drilling Program
  The Ocean Drilling Program was an international cooperative effort to explore and study the composition and structure of the Earth's ocean basins. ODP, which began in 1985, was the direct successor to the highly successful Deep Sea Drilling Project initiated in 1968 by the United States...
  
  , an international research project
• Open Directory Project
  Open Directory Project
  The Open Directory Project , also known as Dmoz , is a multilingual open content directory of World Wide Web links. It is owned by Netscape but it is constructed and maintained by a community of volunteer editors.ODP uses a hierarchical ontology scheme for organizing site listings...
  
  , also known as Dmoz, is a multilingual open content Web directory constructed and maintained by a community of volunteer editors.
• Orderly Departure Program
  Orderly Departure Program
  The Orderly Departure Program ' was a program to permit immigration of Vietnamese refugees to the United States of America, instituted in 1979 under the auspices of the United Nations High Commissioner for Refugees...
  
  , a program to resettle Vietnamese refugees in the United States.

Others

• Office Depot
  Office Depot
  Office Depot is a supplier of office products and provides many services. The company's selection of brand name office supplies includes business machines, computers, computer software and office furniture, while its business services encompass copying, printing, document reproduction, shipping,...
  
   stock symbol (ODP)
• Open Drip Proof, a type of electric motor
  Electric motor
  An electric motor converts electrical energy into mechanical energy.Most electric motors operate through the interaction of magnetic fields and current-carrying conductors to generate force...
  
   enclosure that has vents to allow air flow but to prevent liquids and solids from entering the motor
• Opening Day Partners, a company that owns and operates professional baseball teams.
• Operating Department Practitioners, are healthcare professionals working in the United Kingdom
• Ozone depletion potential
  Ozone depletion potential
  The ozone depletion potential of a chemical compound is the relative amount of degradation to the ozone layer it can cause, with trichlorofluoromethane being fixed at an ODP of 1.0. Chlorodifluoromethane , for example, has an ODP of 0.055...
  
   in chemistry and pollution
• Obstacle Departure Procedures in aviation, are IFR departure procedures for obstacle clearance