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Calligra Suite, formerly known as KOffice, is a free open source office suite which is available for Windows, Linux, FreeBSD, Mac OS X and Haiku.[1] It contains applications for word processing, spreadsheets, presentation, databases, vector graphics and digital painting .



Initial work on KOffice development began in 1997[2] with KPresenter, followed by KWord[3] in 1998.

In 1999, KOffice was cited in testimony in the United States v. Microsoft anti-trust trial by then-Microsoft executive Paul Maritz as evidence of competition in the operating system and office suite arena.[4]

The first official release of the KOffice suite was in 2000 when it was released as part of KDE 2.0.[5] Versions 1.1 followed in 2001,[6] 1.2 in 2002.[7]

KOffice has undergone a major transition in recent years accompanying the release of KDE Software Compilation 4. Coinciding with the work on KDE SC 4, the KOffice team prepared a major new release, KOffice 2 which used the new KDE SC 4 libraries.

KOffice 2.0 was released in 2009. It was only recommended for testers and developers rather than production use, since the release was missing key features and applications from the previous stable release series.[8]

Kexi, the data management application, returned in May 2010, with KOffice 2.2. This version brought a number of new features and bugfixes. A new framework for effects on shapes and a new import filters for the Microsoft XML based office formats that are used in MS Office 2007 and later got added.[9]

KOffice 2.3 was released in December 2010. According to its developers, this version is stable enough for real use, and Karbon14, Krita and KSpread are recommended for production work. [10]

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