Where does O3Spaces Workplace fit compared to SharePoint?

We are often asked where O3Spaces fits in, so here is a brief summary:

Launched in 2006, O3Spaces Workplace has evolved from its roots as “the open SharePoint alternative” into a full-featured collaborative ECM solution trusted by customers around the world. O3Spaces is cross-platform and supports workstations based on Windows, Linux, UNIX & Mac OS/X and integrates with a wide range of desktop software including Microsoft Office 2010, Outlook, OpenOffice.org, Thunderbird, Zimbra, IE, Firefox, Chrome and Safari. O3Spaces also supports integration with Zarafa. The O3Spaces server runs on Windows, Mac OS/X, Solaris and most Linux platforms, and is also a “Certified for Univention Corporate Server” solution.
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