head to head · open source
Crawl4AI vs changedetection.io
Crawl4AI has 86,783 GitHub stars, 9,043 forks, 188 open issues and last shipped yesterday. changedetection.io has 35,461 stars, 2,194 forks, 385 open issues and last shipped yesterday. Crawl4AI leads on adoption by 145% (86,783 vs 35,461 stars). Crawl4AI is written in Python under Apache-2.0; changedetection.io is written in Python under Apache-2.0. Crawl4AI has attracted 10% as many forks as stars, changedetection.io 6%. 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
| Crawl4AI | changedetection.io | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 35K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.0K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Crawl4AI if
- You weight community size — 87K 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 changedetection.io if
- You want the changedetection.io feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and changedetection.io fits your workflow better
About Crawl4AI
🚀🤖 Crawl4AI: Open source LLM Friendly Web Crawler & Scraper. 🚀 Crawl4AI Cloud API — Closed Beta (Launching Soon) Reliable, large scale web extraction, now built to be drastically more cost effective than any of the existing solutions. 👉 Apply here for early access We’ll be onboarding in phases and working closely with early users. Limited slots. Crawl4AI turns the web into clean, LLM ready Markdown for RAG, agents, and data pipelines. Fast, controllable, battle tested by a 50k+ star community. ✨ Check out latest update v0.9.3 ✨ New in v0.9.3 : Security release. Closes five coordinated disclosure advisories…
read the full Crawl4AI overview →
About changedetection.io
Detect Website Changes Automatically — Monitor Web Page Changes in Real Time Monitor websites for updates — get notified via Discord, Email, Slack, Telegram, Webhook and many more. Detect web page content changes and get instant alerts. Ideal for monitoring price changes, content edits, conditional changes and more. [![Release Version][release shield]][release link] [![Docker Pulls][docker pulls]][docker link] [![License][license shield]](LICENSE.md) Get started with website page change monitoring straight away. Don't have time? Try our $8.99/month subscription, use our proxies and support! , half the price of…
read the full changedetection.io overview →
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Frequently asked questions
Is Crawl4AI or changedetection.io more popular?
Crawl4AI has 86,783 GitHub stars and changedetection.io has 35,461. Crawl4AI has the larger community by that measure.
Are Crawl4AI and changedetection.io free?
Both are open source. Crawl4AI is licensed under Apache-2.0 and changedetection.io under Apache-2.0. Neither carries a licence fee.
What is the difference between Crawl4AI and changedetection.io?
Crawl4AI is written in Python and changedetection.io 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, Crawl4AI or changedetection.io?
Choose Crawl4AI if you want the larger community (86,783 stars) or its Apache-2.0 licence terms. Choose changedetection.io if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.