Pagerank Checker - Use WebIQ to Check websites Google pagerank, Check pagerank, backlinks, number of indexed pages, Twitter count, Alexa Ranking, Facebook stats and Google+ stats!
Site Explorer: The alternative backlink checker tool for yahoo, bing, google and other website explorers.
Use the world's largest and fastest growing index of backlinks (besides Google of course) to scrutinize links to your site, clean-up your backlink profile, perform a link audit...