Skuuudle - Discover, match and monitor your eCommerce competitors.

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.

Klue - Klue is competitive intelligence for enterprise sales. We help sales, and the teams who enable them, leverage CI to win more deals.

Distill Web Monitor - Distill is a web monitoring tool. It can monitor RSS feeds, a webpage or a part of webpage. Alerts in the form of pop-up, audio or emails can be received.

Crayon - Crayon market and competitive intelligence tools provide insights and inspiration for marketing, sales, and product management.

Update Scanner - Update Scanner is a Firefox extension to monitor web pages for updates.