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.

Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.

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.

Covenant Eyes - Covenant Eyes has been around for over two decades, and was originally designed as a way for people to overcome the lure and accessibility of pornography on the Internet. Read more about Covenant Eyes.

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

K9 Web Protection - This also contains the feature “Blacklist Without Password” which allows non-admin users to add sites to the “Always Block” list without requiring the K9 admin password.