I'm not sure if it is suitable to post it here.
I think some people would be interested how many third party forum can be used in conjunction to Drupal.

phpBB
* http://drupal.org/project/phpbb
* http://drupal.org/project/phpbb2drupal
* Drupal and phpBB integration test site: http://kepp.net/drupal/

SMFforum
http://drupal.org/project/smfforum

vBulletin forum
Drupal vb: http://drupal.org/project/drupalvb
vbDrupal: http://www.vbdrupal.org/ (they are different products)

FUDforum
http://drupal.org/project/fudforum

Phorum
http://www.phorum.org/

Comments

gareth_w’s picture

As a new user here considering a move to Drupal, this is a great resource, thanks for compiling it!

boonep’s picture

Do any of these forums integrate with drupal's themes, or is the built-in forum module the only option if you want a consistent interface across your website?