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.
PolitePol - Online tool for creation of RSS feeds for any web page
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.
follow.it - follow.it gets publishers more followers & recurring traffic, and provides a better reading experience for followers
Update Scanner - Update Scanner is a Firefox extension to monitor web pages for updates.
Feedbutler - Subscribe to your RSS feeds directly via email!