changedetection.io

About

The best and simplest self-hosted free open source website change detection monitoring and notification service. An alternative to Visualping, Watchtower etc. Designed for simplicity - the main goal is to simply monitor which websites had a text change for free.

Example use cases

• Products and services have a change in pricing
• Governmental department updates (changes are often only on their websites)
• New software releases, security advisories when you're not on their mailing list.
• Festivals with changes
• Realestate listing changes
• Know when your favourite whiskey is on sale, or other special deals are announced before anyone else
• COVID related news from government websites
• University/organisation news from their website
• Detect and monitor changes in JSON API responses
• JSON API monitoring and alerting
• Changes in legal and other documents
• Trigger API calls via notifications when text appears on a website
• Glue together APIs using the JSON filter and JSON notifications
• Create RSS feeds based on changes in web content
• Monitor HTML source code for unexpected changes, strengthen your PCI compliance
• You have a very sensitive list of URLs to watch and you do not want to use the paid alternatives. (Remember, you are the product)