changedetection.io

A self-hosted tool that watches web pages and alerts you when they change, from price drops and restocks to edited text, with optional AI summaries.

35.4k stars, 2.2k forks Python On GitHub since January 2021

Visit website View on GitHub How to run it

What is changedetection.io?

You give changedetection.io a list of pages, and it checks them on a schedule and notifies you of differences through email, Discord, Slack, Telegram, webhooks and many other channels. Filters let you watch only part of a page, and a bundled Chrome option handles sites that need JavaScript. Newer versions can pass changes to a language model, so you are told only when something you described in plain words, such as a price under a set amount, has happened.

Good fit if

  • You track prices, stock, job listings or competitors' pages without checking them by hand.
  • You want a single container to install and a simple web interface.
  • You need alerts in the chat tools your team already uses.

Look elsewhere if

  • You need general automation that acts on many kinds of events, not only web pages: Huginn or n8n.
  • You do not want to run anything yourself: the authors sell the same software as a hosted subscription.

Before you adopt it

changedetection.io is Apache-2.0, with no paid parts in the repository; the hosted plan funds development. It is a single-service install. Most recent commits come from the original author, with a steady group of other contributors.

Drafted with AI from the project's README and repository data, then checked against that data on 30 October 2026. Report a correction

changedetection.io health: is it still maintained?

88 of 100, actively developed

  • Activity
    276 commits in the last 90 days, the latest on 31 October 2026.
    30 / 30
  • Contributors
    15 people wrote the latest 100 commits; the most active wrote 75% of them.
    16 / 20
  • Releases
    15 releases in the last 12 months; the latest, 0.60.10, on 26 October 2026.
    19 / 20
  • Replies to issues
    Maintainers answered 69% of recent issues, with a median first reply after 3 hours.
    18 / 20
  • Security practices
    No OpenSSF Scorecard for this repository yet, so this part gets a neutral score.
    5 / 10

Read from GitHub on 1 November 2026. How the score works

changedetection.io license: is it open source?

changedetection.io uses Apache-2.0, an open-source license approved by the OSI.

  1. January 2021First published on GitHub.
  2. TodayApache-2.0.

How to run changedetection.io yourself

Docker
Dockerfile or compose file in the repository
Compose file
docker-compose.yml: 1 service
Setup effort
1 of 5, judged from the compose file
Kubernetes
No Helm chart in the repository
Desktop and mobile
No app builds in GitHub releases
Interface languages
13 languages

Install instructions: changedetection.io or the README on GitHub.

Alternatives to changedetection.io

  • HuginnCreate agents that monitor and act on your behalf. Your agents are standing by! 74 health · MIT · 50.2k stars
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Questions about changedetection.io

Is changedetection.io open source?

Yes. changedetection.io is published under Apache-2.0, an OSI-approved open-source license.

Is changedetection.io still maintained?

Its health score is 88 of 100 (actively developed). It had 276 commits in the last 90 days, the latest on 31 October 2026, and its latest release came out on 26 October 2026.

How do I run changedetection.io?

You can run it with Docker. The README on GitHub has the exact steps.

What are the alternatives to changedetection.io?

Close alternatives in the Workflow automation category include Huginn, n8n, Windmill.