head to head · open source
changedetection.io vs crawlee-python
changedetection.io has 34,295 GitHub stars, 2,063 forks, 385 open issues and last shipped yesterday. crawlee-python has 9,535 stars, 807 forks, 100 open issues and last shipped 2 days ago. changedetection.io leads on adoption by 260% (34,295 vs 9,535 stars). changedetection.io is written in Python under Apache-2.0; crawlee-python is written in Python under Apache-2.0. changedetection.io has attracted 6% as many forks as stars, crawlee-python 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.
← all 8884 open source comparisons
Side by side
| changedetection.io | crawlee-python | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 9.5K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 2.1K | ⑂ 807 |
| 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 crawlee-python if
- You want the crawlee-python 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 crawlee-python 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 crawlee-python
Crawlee for Python is an open source, Apache 2.0 licensed web scraping and browser automation library that lets Python developers build reliable crawlers for extracting data for AI, LLM, RAG, and GPT pipelines, and it is aimed at anyone who needs to crawl sites at scale without hand writing the surrounding infrastructure.
read the full crawlee-python overview →
More in Data & Analytics
Related comparisons
More Data Extraction & Web Scraping projects
Compare either of these against the rest of the Data Extraction & Web Scraping field.
Frequently asked questions
Is changedetection.io or crawlee-python more popular?
changedetection.io has 34,295 GitHub stars and crawlee-python has 9,535. changedetection.io has the larger community by that measure.
Are changedetection.io and crawlee-python free?
Both are open source. changedetection.io is licensed under Apache-2.0 and crawlee-python under Apache-2.0. Neither carries a licence fee.
What is the difference between changedetection.io and crawlee-python?
changedetection.io is written in Python and crawlee-python 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 crawlee-python?
Choose changedetection.io if you want the larger community (34,295 stars) or its Apache-2.0 licence terms. Choose crawlee-python if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.