"Popuri is a free analysis tool to find the popularity of webpages. We collect and evaluate data from the areas links, social networks and social bookmarks."
Twitter Grader is a free tool that allows you to check the power of your twitter profile compared to millions of other users that have been graded.
Just enter your twitter username (password not needed) and you'll get an instant grade and report. No muss, no fuss.
Intelligence from the social web
Tap into the intelligence of millions of online users active on the Social Web. PostRank™ delivers objective, real-time data and analysis on any topic, trend, or interest relevant to you or your business. Learn how you can use PostRank.