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LibreOffice Viewer - The Document Foundation provides a LibreOffice Viewer for Android.
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Cisdem DocumentReader - Need to read mutiple windows documents on Mac? Cisdem Document Reader is the all in one solution to read WPD, WPS, XPS, OXPS, VISIO, DjVu, PDF, Winmail.dat files on Mac. Try it now!
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OpenDocument Reader - OpenOffice Document Reader is an Android OpenOffice and LibreOffice Document Reader!