Find Popularity http://www.findpopularity.com/
Windows based software that checks the link popularity of domains to determine link popularity. Search up to seven of the largest search engines.
LinkageXpress http://www.linkagexpress.com
Hand-tailored link popularity service which will announce site, get site linked within niche market, and generate targeted link partners.
LinkedURL http://www.linkedurl.com/
Tool checks a site's Google PageRank, and reports how many links to that site are indexed in five major search engines.
Linking Matters http://www.linkingmatters.com/
Contains free reports that provide detailed guidelines, worksheets and resources for running an effective linking strategy to gain both traffic and quality link popularity.
Free For All Links