Full-featured office suite for Windows and Linux, blazingly fast, seamless compatibility with Word, Excel, PowerPoint, portable usage, pdf export.
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Pro Great interoperability with Microsoft Office
SoftMaker office can open doc(x), xls(x), and ppt(x) files without messing up formatting.
Pro Has a free version
A free version, called SoftMaker FreeOffice, is available.
FreeOffice is a stripped down version of SoftMaker Office, with less features, templates and interface polish, but it still is feature-packed and with the same excellent import and export filters that enable opening/saving Microsoft Office formats faithfully.
Pro EPUB export included
You can create high-quality e-books in EPUB format easily
Pro Free technical support
If you face any issues, you can always use the technical support by developer SoftMaker, it's free.