Visualping - Visualping is the easiest to use website checker, webpage change monitoring, website change detector and website change alert software of the web. Read more about Visualping.
cutestat - Website Stats and Valuation. CuteStat.
Wachete - Track web page changes and get notified. Free Sign-up. Have all data in one place
Rankchart - Rankchart is one of the unique websites that allows you to examine your websites or watch competitors and locate rich information about website technologies, site reputation, errors, SEO, and ad-word recommendations.
Update Scanner - Update Scanner is a Firefox extension to monitor web pages for updates.
Site Worth traffic - Site Worth traffic is a cost-effective site that is introduced to estimate the value, daily page views, daily visitors, and daily revenue of a website.