
LibreOffice
LibreOffice is a free and open-source office suite that is compatible with other major office suites, and is available on all operating systems. It is an independently-developed version of the OpenOffice.org suite.
NeoOffice is a full-featured set of office applications (including word processing, spreadsheet, presentation, drawing, and database programs) for Mac OS X. Based on the OpenOffice.
neooffice is a fullfeatured set of office applications (including word processing, spreadsheet, presentation, drawing, and database programs) for mac os x. based on the openoffice.org office suite, neooffice has integrated dozens of native mac features and can import, edit, and exchange files with other popular office programs such as microsoft office.
neooffice is open source software, but sells download services for prebuilt binaries.anyway you can build the source code from the neooffice build instructions page: http://www.neooffice.org/neojava/en/build.php
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LibreOffice is a free and open-source office suite that is compatible with other major office suites, and is available on all operating systems. It is an independently-developed version of the OpenOffice.org suite.
Free Open Source Mac OS X Windows Linux Android BSD
ONLYOFFICE Desktop Editors is an open-source office suite that combines text, spreadsheet and presentation editors, distributed under AGPL license v3.
Free Open Source Mac OS X Windows Linux Web Self-Hosted
Nevron Writer is a powerful word processor that can be used for any purpose - from writing a simple document to producing an entire book.
Commercial Mac OS X Windows Web
eurooffice is the name of a free and open-source http://alternativein.com/software/open-office-suite/ and libreoffice derivative and a set of accompanying free and non-free extensions.
Freemium Windows Linux Android
libreoffice-from-collabora is the enterprise-ready version of the world’s most widely used open source office suite, libreoffice .
Commercial Mac OS X Windows Linux Android Chrome OS