Best SEO Tools

http://www.backlinkwatch.com/
http://www.analyzebacklinks.com/
https://siteexplorer.search.yahoo.com/
http://www.alexa.com/siteinfo
http://www.bad-neighborhood.com/text-link-tool.htm
http://www.soloseo.com/tools/linkSearch.html
http://www.webconfs.com/anchor-text-analysis.php
http://www.webconfs.com/backlink-builder.php
http://www.webconfs.com/backlink-summary.php
http://tools.seobook.com/firefox/seo-for-firefox.html
http://tools.seobook.com/link-harvester/
http://www.webuildpages.com/search/
http://www.recip-links.com/
http://www.webmaster-toolkit.com/link-appeal.shtml
http://www.aaalinking.com/

seo site information http://www.site-reference.com