Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
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.
CurrentWare BrowseControl - BrowseControl web filtering software blocks websites based on URLs and categories. Policies can be customized for each user, department, or OU. Includes other features such as an app blocker, port filter, and download/upload blocker.
Sken.io - The most advanced tools for tracking changes on websites.
Pluckeye - Pluckeye is a filter that bolsters self-control on the Internet.
ChangeTower - ChangeTower offers website monitoring tools for new content and content changes.