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Apache OpenOffice is an open-source office productivity software suite developed by the Apache Software Foundation. It was created as a successor project of OpenOffice.org, itself a successor to StarOffice. It is also the designated successor of IBM Lotus Symphony. 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.