head to head · open source
changedetection.io vs parsera
changedetection.io has 35,461 GitHub stars, 2,194 forks, 385 open issues and last shipped yesterday. parsera has 1,370 stars, 80 forks, 4 open issues and last shipped 11 months ago. changedetection.io leads on adoption by 2,488% (35,461 vs 1,370 stars). changedetection.io is written in Python under Apache-2.0; parsera is written in Python under GPL-2.0. changedetection.io has attracted 6% as many forks as stars, parsera 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.
← all 20902 open source comparisons
Side by side
| changedetection.io | parsera | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 1.4K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2025-12-17 |
| Forks | ⑂ 2.2K | ⑂ 80 |
| 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 parsera if
- You want the parsera feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches Python
- You evaluated both and parsera 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 parsera
📦 Parsera Lightweight Python library for scraping websites with LLMs. You can test it on Parsera website. Why Parsera? Because it's simple and lightweight. With interface as simple as: Table of Contents Installation Documentation Basic usage Running with Jupyter Notebook Running with CLI Running in Docker Installation Documentation Check out documentation to learn more about other features, like running custom models and playwright scripts. Basic usage First, set up PARSERA API KEY env variable (If you want to run custom LLM see Custom Models). You can do this from python with: Next, you can run a basic…
read the full parsera 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 parsera more popular?
changedetection.io has 35,461 GitHub stars and parsera has 1,370. changedetection.io has the larger community by that measure.
Are changedetection.io and parsera free?
Both are open source. changedetection.io is licensed under Apache-2.0 and parsera under GPL-2.0. Neither carries a licence fee.
What is the difference between changedetection.io and parsera?
changedetection.io is written in Python and parsera 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 parsera?
Choose changedetection.io if you want the larger community (35,461 stars) or its Apache-2.0 licence terms. Choose parsera if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.