Link analysis tools
This tool is very important in SEO because you will get to know on where are you in link building. Compare your site to your competitor’s sites backlinks, and eat the competition. With the use of this tools it will help you set a goal for your sites link building and work on it to achieve your site’s goal.
Open Site Explorer tools – know your site’s Page Authority, Domain Authority, Linking Root Domains, and Inlinks.
Linkvendor OBL and Inlinks checker know your outbound links (OBL) and Internal links checker in very detailed manner. Control your OBL and manage your internal linking very efficiently.
Yahoo Site Explorer – Inlinks checker. Yahoo usually displays almost every site linking to your site, and usually arranged based on the PR of the page that is linking to you.