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changedetection.ioDistill Web Monitor
Freemium

Free and open source to self-host. The developers also sell a hosted subscription with…

 Freemium

Free to start, with cloud monitoring and higher limits on paid plans.

Linux, Self-hosted, Web Windows, macOS, Linux, Android, iOS, Web, Browser extension
  • Watches only the part of a page you select, so navigation and footers do not trigger alerts
  • Notifications through Discord, email, Slack, Telegram, webhooks and many more
  • Watches only the part of the page you select
  • Alerts by notification, email, SMS or app
  • Self-hosted, so you run and maintain the service
  • Sites that block automated requests need proxies, which the hosted plan provides
  • Round-the-clock cloud monitoring is part of the hosted service
  • Desktop apps are offered as beta builds
Self-hosted Downloadable app, Hosted service, Browser extension
Open source Closed source
License: Apache-2.0 License not stated
No account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked September 21, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.