Awesome Website Change Monitoring

A curated comprehensive list of awesome tools for website diffing
and change monitoring.

Unlike many awesome lists, this area is so small that we are currently
aspiring to map the whole tool landscape :)

For a more in-depth comparison of these tools, please see our Google Spreadsheet. All contributions are welcome!

Contents

• Content Diffing
  • Open Source
  • Hosted Services
• Content Extraction

Content Diffing

Open Source

• DiffEngine.
• EDGI Web Monitoring
• Huginn.
• Klaxon. code
• NewsDiffs. code
• NYTdiff. code
• Pagelyzer. code
• Time Machine. code. Also a hosted service.
• Website Change Monitor.

Hosted Services

Closed source unless indicated otherwise.

• Distill
• Distill Web Monitor browser extension. Chrome - Firefox. (Formerly Alertbox.)
• changed.online
• ChangeDetect
• changedetection.io. Also available under the Apache License (2.0).
• ChangeTower
• Follow That Page
• OnWebChange
• PageFreezer
• PageCrawl
• TheWebWatcher 🍺
• Trackly
• Versionista
• VisualPing Has chrome browser extension.
• Wachete
• WatchThatPage

Content Extraction

• Diffbot

Contribute

Contributions welcome! Read the contribution guidelines first.

License

To the extent possible under law, Patrick Connolly has waived all copyright and
related or neighboring rights to this work.