Auto Social Bookmarker Pro is an awesome tool that you can use to automatically submit your or your clients' content to the most popular social networking and bookmarking sites.

These social sites have HUGE user base so it's well worth to share your content on them and as a 'bonus' you'll also get valuable one-way backlinks.

• Bookmarking Demon 4.0 Social Bookmarking 2008
  Bookmarking Demon 4

• Social Bookmarks Demon 2.2
  Social Bookmarks Demon software submits your websites to all social bookmarking networks automatically

• Social Submitter 2.6.3
  Automatic submission of tagged articles with backlinks to up to 250 social bookmarking sites

• Social Bookmarks Submitter 5.4
  Submit social bookmarks to social bookmarking sites automatically using automated Social Bookmarks Submitter software

• PHPDug Social Poster 3.1
  PHPDug Social Poster is automatic social bookmarking software

• Social Bookmarks Submitter 1
  Social Bookmarks Submitter