head to head · open source
changedetection.io vs curl_cffi
changedetection.io has 35,461 GitHub stars, 2,194 forks, 385 open issues and last shipped yesterday. curl_cffi has 6,812 stars, 571 forks, 72 open issues and last shipped 7 days ago. changedetection.io leads on adoption by 421% (35,461 vs 6,812 stars). changedetection.io is written in Python under Apache-2.0; curl_cffi is written in Python under MIT. changedetection.io has attracted 6% as many forks as stars, curl_cffi 8%. 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 | curl_cffi | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 6.8K |
| License | Apache-2.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-10-27 |
| Forks | ⑂ 2.2K | ⑂ 571 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick changedetection.io if
- You weight community size — 35K 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 curl_cffi if
- You want the curl_cffi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and curl_cffi fits your workflow better
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 →
About curl_cffi
curl cffi Documentation Python binding for curl impersonate fork via cffi. For commercial support, visit impersonate.pro. curl cffi is the most popular Python binding for curl . Unlike other pure python http clients like httpx or requests , curl cffi can impersonate browsers' TLS/JA3 and HTTP/2 fingerprints. If you are blocked by some website for no obvious reason, you can give curl cffi a try. For JavaScript bindings, see impers, for solving JavaScript challenges, see brimp. Python 3.10 is the minimum supported version since v0.14. Recent highlights 🧭 Our new toy, brimp, a lightweight browser, works like curl…
read the full curl_cffi overview →
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Frequently asked questions
Is changedetection.io or curl_cffi more popular?
changedetection.io has 35,461 GitHub stars and curl_cffi has 6,812. changedetection.io has the larger community by that measure.
Are changedetection.io and curl_cffi free?
Both are open source. changedetection.io is licensed under Apache-2.0 and curl_cffi under MIT. Neither carries a licence fee.
What is the difference between changedetection.io and curl_cffi?
changedetection.io is written in Python and curl_cffi 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 curl_cffi?
Choose changedetection.io if you want the larger community (35,461 stars) or its Apache-2.0 licence terms. Choose curl_cffi if its feature set, stack or MIT licence fits better. Both are self-hostable.