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An OpenOffice offshoot, this vibrant office suite ensures compatibility with a spectrum of file types.
LibreOffice Impress does presentations, and is one part of the free, full LibreOffice Suit.
LibreOffice Writer is the word-processor, and is one part of the free, full LibreOffice Suit.
This is because the are supported only by libreoffice draw.
The answer is LibreOffice