Open-source office suites

OpenOffice.org is an open-source office productivity software suite. It originated from the proprietary StarOffice, developed by Star Division, which was acquired by Sun Microsystems in 1999. Sun open-sourced the software in July 2000 as a free alternative to Microsoft Office, and released OpenOffice.org version 1.0 on 1 May 2002.

LibreOffice () is a free and open-source office productivity software suite developed by The Document Foundation (TDF). It was created in 2010 as a fork of OpenOffice.org, itself a successor to StarOffice. The suite includes applications for word processing (Writer), spreadsheets (Calc), presentations (Impress), vector graphics (Draw), database management (Base), and formula editing (Math). It supports the OpenDocument format and is compatible with other major formats, including those used by Microsoft Office.

free and open-source office suite

KOffice was a free and open source office and graphics suite developed by KDE for Unix-like and Windows systems. KOffice contains a word processor (KWord), a spreadsheet (KSpread), a presentation program (KPresenter), and a number of other components that varied over the course of its development.

Calligra Suite is a graphic art and office suite by KDE. It is available for desktop PCs, tablet computers, and smartphones. It contains applications for word processing, spreadsheets, presentation, databases, vector graphics, and digital painting.

NeoOffice is a discontinued office suite for the macOS operating system developed by Planamesa Inc. It was a commercial fork of the free and open source LibreOffice office suite, including a word processor, spreadsheet, presentation program, and graphics program. It added some features not present in the macOS versions of LibreOffice and Apache OpenOffice. The last few versions were based on LibreOffice 4.4, which was released mid-2014.

Go-oo (short for Go-Open Office) was a free and open-source office productivity software suite developed and sponsored by Novell. It originated as a set of patches to OpenOffice.org known as ooo-build developed in 2003 the Linux software company Ximian and led by Michael Meeks. In October 2007 Go-oo was released as an independent fork with additional features. Go-oo incorporated enhancements not accepted by the upstream project, which was maintained by Sun Microsystems, and offered improved support for Microsoft Office formats, faster development cycles, and more permissive policies for accept

open source online office suite

open-source collaboration software