Thank you for the forum list. I think most of the forum sites need to establish their sites first for a more credible forum.

http://forum.joomla.org/
http://chronicle.com/forums/
http://forums.cpanel.net/
http://forum.siteground.com/
http://www.cropperbroslandscapes.com.au/
http://forums.mysql.com/
http://forums.gardenweb.com
http://pkp.sfu.ca/support/forum/
https://forum.videolan.org/
http://www.greenremovals.com.au/
http://www.accessifyforum.com/
http://forum.wordreference.com/
https://forum.filezilla-project.org/
http://www.kidsheaven.com.au/
http://galleryproject.org/
https://forums.digitalpoint.com/
http://www.softcatala.org/forum/
http://forum.claroline.net/
http://forums.spry.com/
http://www.lynairlogistics.com.au/‎
http://ckeditor.com/forums
http://www.000webhost.com/forum/
http://hostmonsterforums.com/activity.php
http://forums.gentoo.org/
http://bbpress.org/forums/
http://kinder.univie.ac.at/forum/
http://forum.whatismyip.com/
http://www.city-data.com/forum/