urlwatch
Monitor webpages for changes and get notified
urlwatch is an open-source command-line tool that monitors webpages and command output for changes and sends notifications when something updates. It is self-hosted for lightweight change-based automation.
Key features
- Webpage change monitoring
- Notification on changes
- Many reporters
- Command-line driven
Strengths
- Released under the MIT license
- Easy to set up — beginner-friendly
- Active community (3.1k GitHub stars)
- Written in Python
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