This tool will find out which sites are linking to your domain. It agreed amongst the majority of SEO'ers that if you want to rank higher on the SERPs for a given phrase, you should have backlinks pointing to your site with the anchor text of that phrase.
If you're wondering what anchor text is: <a href="www.example.com">This is Anchor Text</a>
Enter your domain name (i.e. http://www.seotoolbag.com) below and click 'Submit' to begin.
Site URL:
Include PR (added time)
Don't Repeat Links from Same Domains