1)   SEO SpyGlass
SEO SpyGlass is an extremely powerful competition research tool designed to let you see exactly how your competitors got to the top in search engines.

 2)   SitePopularity 3.0
SitePopularity will check any number of websites for the most important ranking criterias such as Google Pagerank, Alexa Traffic Rank, Dmoz listing and links from other websites. SitePopularity features advanced functions, yet it's easy to handle.

 3)   Backlink Checker 010100
If you have invested a lot of time, effort and maybe even money in the linkage of your Internet presence, the Backlink Checker helps you regularly examine whether agreed links actually exist.

 4)   Backlink Checker - 002 1.0
Check backlinks from multiple search engines.

 5)   Best Car Seats For Baby 2.0
Best Car Seats For Baby free link popularity check tool allows you to check for the no. of backlinks you have on six major search engines and databases and also the no. of pages you have indexed on the Google, Yahoo and MSN for any website you enter

 6)   Backlink Checker - 003 1.0
Check backlinks from multiple search engines.