head to head · open source
changedetection.io vs js-cookie-monitor-debugger-hook
changedetection.io has 34,312 GitHub stars, 2,064 forks, 385 open issues and last shipped yesterday. js-cookie-monitor-debugger-hook has 784 stars, 119 forks, 8 open issues and last shipped 8 months ago. changedetection.io leads on adoption by 4,277% (34,312 vs 784 stars). changedetection.io is written in Python under Apache-2.0; js-cookie-monitor-debugger-hook is written in TypeScript under MIT. changedetection.io has attracted 6% as many forks as stars, js-cookie-monitor-debugger-hook 15%. changedetection.io was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| changedetection.io | js-cookie-monitor-debugger-hook | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 784 |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2026-01-28 |
| Forks | ⑂ 2.1K | ⑂ 119 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick changedetection.io if
- You weight community size — 34K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick js-cookie-monitor-debugger-hook if
- You want the js-cookie-monitor-debugger-hook feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and js-cookie-monitor-debugger-hook fits your workflow better
About changedetection.io
changedetection.io is an open source website change detection and web page monitoring tool written in Python and released under the Apache 2.0 license. It watches URLs, detects when their content changes, and sends alerts through channels such as Discord, Email, Slack, Telegram, and Webhook. The project lives in the Data & Analytics / Data Extraction & Web Scraping ecosystem, carries more than 34,000 stars and 2,000 forks on GitHub, and has been developed for roughly six years. It is designed to be self hosted, and the same codebase also backs a hosted subscription service offered by the maintainers.…
read the full changedetection.io overview →
About js-cookie-monitor-debugger-hook
JS Cookie Monitor/Debugger Hook is a Tampermonkey userscript, written in TypeScript, that hooks document.cookie so that crawler engineers and web security researchers can watch every cookie a page's JavaScript adds, changes, or deletes, and drop into a debugger breakpoint when a cookie operation matches a condition they define.
read the full js-cookie-monitor-debugger-hook overview →
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Frequently asked questions
Is changedetection.io or js-cookie-monitor-debugger-hook more popular?
changedetection.io has 34,312 GitHub stars and js-cookie-monitor-debugger-hook has 784. changedetection.io has the larger community by that measure.
Are changedetection.io and js-cookie-monitor-debugger-hook free?
Both are open source. changedetection.io is licensed under Apache-2.0 and js-cookie-monitor-debugger-hook under MIT. Neither carries a licence fee.
What is the difference between changedetection.io and js-cookie-monitor-debugger-hook?
changedetection.io is written in Python and js-cookie-monitor-debugger-hook in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, changedetection.io or js-cookie-monitor-debugger-hook?
Choose changedetection.io if you want the larger community (34,312 stars) or its Apache-2.0 licence terms. Choose js-cookie-monitor-debugger-hook if its feature set, stack or MIT licence fits better. Both are self-hostable.