head to head · open source
changedetection.io vs page-agent
changedetection.io has 34,414 GitHub stars, 2,072 forks, 385 open issues and last shipped 2 days ago. page-agent has 29,140 stars, 2,616 forks, 94 open issues and last shipped 3 days ago. changedetection.io leads on adoption by 18% (34,414 vs 29,140 stars). changedetection.io is written in Python under Apache-2.0; page-agent is written in TypeScript under MIT. changedetection.io has attracted 6% as many forks as stars, page-agent 9%. 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 | page-agent | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 29K |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 2.1K | ⑂ 2.6K |
| 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 page-agent if
- You want the page-agent feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and page-agent 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 page-agent
Page Agent is an MIT licensed TypeScript library from Alibaba that embeds a natural language GUI agent directly inside a web page, aimed at product teams, accessibility engineers, and automation developers who want to drive their own interfaces with plain language instructions instead of hand written scripts.
read the full page-agent 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 page-agent more popular?
changedetection.io has 34,414 GitHub stars and page-agent has 29,140. changedetection.io has the larger community by that measure.
Are changedetection.io and page-agent free?
Both are open source. changedetection.io is licensed under Apache-2.0 and page-agent under MIT. Neither carries a licence fee.
What is the difference between changedetection.io and page-agent?
changedetection.io is written in Python and page-agent in TypeScript. 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 page-agent?
Choose changedetection.io if you want the larger community (34,414 stars) or its Apache-2.0 licence terms. Choose page-agent if its feature set, stack or MIT licence fits better. Both are self-hostable.