O
- OASIS—Organization for the Advancement of Structured Information Standards
- OAT—Operational Acceptance Testing
- OBSAI—Open Base Station Architecture Initiative
- ODBC—Open DataBase Connectivity
- OEM—Original Equipment Manufacturer
- OES—Open Enterprise Server
- OFTC—Open and Free Technology Community
- OLAP—Online Analytical Processing
- OLE—Object Linking and Embedding
- OLED—Organic Light Emitting Diode
- OLPC—One Laptop per Child
- OLTP—Online Transaction Processing
- OMF—Object Module Format
- OMG—Object Management Group
- OMR—Optical Mark Recognition
- OO—Object-Oriented
- OO—OpenOffice
- OOE—Out-of-Order Execution
- OOM—Out Of Memory
- OOo—OpenOffice.org
- OoOE—Out-of-Order Execution
- OOP—Object-Oriented Programming
- OOTB—Out of the box
- OPML—Outline Processor Markup Language
- ORB—Object Request Broker
- ORM—Oject-Relational Mapping
- OS—Open Source
- OS—Operating System
- OSCON—O'Reilly Open Source CONvention
- OSDN—Open Source Developer Network
- OSI—Open Source Initiative
- OSI—Open Systems Interconnection
- OSPF—Open Shortest Path First
- OSS—Open Sound System
- OSS—Open-Source Software
- OSS—Operations Support System
- OSTG—Open Source Technology Group
- OUI—Organizationally Unique Identifier
Read more about this topic: List Of Computing And IT Abbreviations