OpenOffice

OpenOffice or open office may refer to:

Computing

Software

• OpenOffice.org (OOo), a discontinued open-source office software suite, originally based on StarOffice
• Apache OpenOffice (AOO), a derivative of OOo by the Apache Software Foundation, with contribution from IBM Lotus Symphony

Other derivatives of OOo:

• LibreOffice, an actively developed derivative of OOo by The Document Foundation
• NeoOffice, an OS X-specific commercial derivative of OOo by Planamesa Software
• StarOffice, a discontinued commercial proprietary office suite acquired by Sun Microsystems (briefly renamed Oracle Open Office after Oracle acquired Sun)

Programming

• OpenOffice Basic (formerly known as StarOffice Basic or StarBasic or OOoBasic), a dialect of the programming language BASIC

File formats

• OpenDocument format (ODF), also known as Open Document Format for Office Applications, a widely supported standard XML-based file format originating from OOo
• OpenOffice.org XML, a file format used by early versions of OpenOffice.org
• Office Open XML (OOXML), a competing file format from Microsoft

Other

• Open plan office, a floor plan
• Open Document Architecture (ODA), document interchange format (CCITT T.411-T.424, equivalent to ISO 8613)
• OpenDoc, an abandoned multi-platform standard for compound documents, intended as an alternative to Microsoft's Object Linking and Embedding (OLE)