Big Data Toolbox - 37 free tools for SEO and website research.
Find out how many total backlinks there are for any one website. The Backlink Checker tool searches Yahoo to discover the most current and accurate indicator of how many actual incoming links there are to a domain.
Scan a website to find nofollow links to various other sites. The Nofollow Finder examines all outgoing links for the specified website and flags links that have the nofollow attribute.