head to head · open source
changedetection.io vs icrawler
changedetection.io has 34,312 GitHub stars, 2,064 forks, 385 open issues and last shipped today. icrawler has 933 stars, 181 forks, 31 open issues and last shipped 9 months ago. changedetection.io leads on adoption by 3,578% (34,312 vs 933 stars). changedetection.io is written in Python under Apache-2.0; icrawler is written in Python under MIT. changedetection.io has attracted 6% as many forks as stars, icrawler 19%. 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 | icrawler | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 933 |
| License | Apache-2.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-09-18 | 2025-12-10 |
| Forks | ⑂ 2.1K | ⑂ 181 |
| 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 icrawler if
- You want the icrawler feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and icrawler 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 icrawler
icrawler ======== .. image:: :target: :alt: PyPI Version .. image:: :target: :alt: Anaconda Version .. image:: :alt: Python Version .. image:: :alt: License Introduction Documentation: Try it with pip install icrawler or conda install c hellock icrawler . This package is a mini framework of web crawlers. With modularization design, it is easy to use and extend. It supports media data like images and videos very well, and can also be applied to texts and other type of files. Scrapy is heavy and powerful, while icrawler is tiny and flexible. With this package, you can write a multiple thread crawler easily by focus…
read the full icrawler overview →
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Frequently asked questions
Is changedetection.io or icrawler more popular?
changedetection.io has 34,312 GitHub stars and icrawler has 933. changedetection.io has the larger community by that measure.
Are changedetection.io and icrawler free?
Both are open source. changedetection.io is licensed under Apache-2.0 and icrawler under MIT. Neither carries a licence fee.
What is the difference between changedetection.io and icrawler?
changedetection.io is written in Python and icrawler in Python. 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 icrawler?
Choose changedetection.io if you want the larger community (34,312 stars) or its Apache-2.0 licence terms. Choose icrawler if its feature set, stack or MIT licence fits better. Both are self-hostable.