Desktop Forum Manager will help you join and participate in an unlimited number of forums and message boards. Joining forums is a great way to gain credibility as an expert in your field and generate tons of incoming one way links to your website.
This software is not reviewed yet.
The Article Submit System software by www.IndieRetailer.com will help you submit your articles to an unlimited number of article directories. Submitting and posting articles increases your site traffic by including backlinks from all the directories.