OpenOffice.org

OpenOffice.org 3 is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers. It stores all your data in an international open standard format and can also read and write files from other common office software packages. It can be downloaded and used completely free of charge for any purpose.
OpenOffice.org is a full-featured office productivity suite that provides
a near drop-in replacement for Microsoft(R) Office.
Full-Featured Office Productivity Suite:

* openoffice.org-writer: Word processor
 * openoffice.org-calc: Spreadsheet
 * openoffice.org-impress: Presentation
 * openoffice.org-draw: Drawing
 * openoffice.org-base: Database
 * openoffice.org-math: Equation editor

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