OpenOffice Documentation
OpenOffice.org: The Open Office Suite
http://documentation.openoffice.org/

PeopleSoft User Groups
A User Group on PeopleSoft featuring Tools like Discussion Forum, Job Boards, FAQ, Whitepapers, Articles, Books, ROI, Guides etc to support the PeopleSoft developers and customers.
http://www.techie.techieindex.com/cug/peoplesoft/index.jsp

LinuxHelp.net
Includes new user guides, HOWTOs, and message forums.
http://www.linuxhelp.net/

Former About Guides
Gathering place for former About.com guides whose topical sites were eliminated. Includes lists of topics that were dropped and reports from former guides, including what they are doing now and links to their new web projects.
http://www.formeraboutguides.com/

Armada
Armada are technical writers and technical authors. We specialise in writing user guides and manuals for software.
http://www.user-guides.org.uk

Aha! Communications
Documentation, help systems, user guides, and training materials development.
http://www.ahacom.com/

AWW - A Written Word
Offers creation of user guides, procedure manuals, and online help. Based in Colorado.
http://www.awrittenword.com/

Petcare
Graphics for user lookups, guild layouts, shop blogs, etc; game help; tips and guides.
http://www.sepiroth.org/petcare

The Telephony Voice User Interface
Market Studies and Source Guides (William S. Meisel - TMA Associates).
http://www.tmaa.com/studies/telvui/telvui.htm

Great Lakes Home and Resort
Great Lakes Home and Resort is your source for Great Lakes Spas
http://www.greatlakeshomeandresort.com/