123webmaster.com: Hosted message board systems arranged by date and editor reviews.
CodeJunction.com: Provides a list of remotely hosted discussion board providers both free and commercial.
Developer Tutorials: Contains a quality list of remotely hosted discussion boards sorted by ratings.
Free Center: Ranking and reviews of free forum providers.
Hotscripts.com: Directory which lists free and commercial message board providers.
Scripts.com: Contains links to remote discussion board services both free and commercial. Sorted by date added.
The CGI Resource Index: On-line message forums organized by ratings and comments.
The Perl Archive: Comprehensive directory of message board services listed by user ratings and reviews.