bbPress.org

You might have missed all the international wordpress.com forums, although only one or two might creep into the top 100.

http://de.forums.wordpress.com

http://el.forums.wordpress.com

http://en.forums.wordpress.com

http://es.forums.wordpress.com

http://fa.forums.wordpress.com

http://fr.forums.wordpress.com

http://id.forums.wordpress.com

http://it.forums.wordpress.com

http://nl.forums.wordpress.com

http://pt.forums.wordpress.com

http://pt-br.forums.wordpress.com

http://sv.forums.wordpress.com

http://tr.forums.wordpress.com

You should change the listing for the English forum to en.forums…

Look out for i18n number formats!