Free Webmaster Tools and SEO Tools includes Backlink Checker, Google Banned Checker, Pagerank Prediction, Keywords Suggestion, Link Popularity, Search Engine Position, Alexa Traffic Rank and Broken Link Checker, etc. There are a lot more useful tools can be found in iwebtool. We should know our web application/website better in order to improve it.

Requirements: No Requirements
Demo: http://www.iwebtool.com/tools/
License: License Free