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OpenOffice.org is a software package that is similar to and highly compatible with Microsoft Office. It is distributed as "open source" software, and is available for various platforms, including Microsoft Windows and Linux. OpenOffice.org includes Writer (word processor), Calc (spreadsheet), Impress (presentation programme), Draw (graphic editor), Base (relational database programme) and other tools. The software, as well as installation and operation manual, can be downloaded from the website
