In case you clicked on this link instead of this one, WLUG will be co-sponsoring some talks on this subject.

OpenOffice is the commonly used name for, a free office suite based on SunMicrosystems's StarOffice but released under the LGPL. The FAQ explains:

The trademark for "OpenOffice" belongs to someone else. Therefore we must use "" when referring to this OpenSource project and its software.

See for more.