Libre Office 3.3 (Linux/Win & Mac)

LibreOffice is the free power-packed Open Source personal productivity suite for Windows, Macintosh and Linux, that gives you six feature-rich applications for all your document production and data processing needs: Writer, Calc, Impress, Draw, Math and Base. Support and documentation is free from our large, dedicated community of users, contributors and developers. You, too, can alsoget involved!

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Download LibreOffice 3.3

Official Site: http://www.libreoffice.org/