head to head · open source
changedetection.io vs webclaw
changedetection.io has 34,312 GitHub stars, 2,064 forks, 385 open issues and last shipped today. webclaw has 2,352 stars, 231 forks, 3 open issues and last shipped yesterday. changedetection.io leads on adoption by 1,359% (34,312 vs 2,352 stars). changedetection.io is written in Python under Apache-2.0; webclaw is written in Rust under AGPL-3.0. changedetection.io has attracted 6% as many forks as stars, webclaw 10%. 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 | webclaw | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 2.4K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | Rust |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 2.1K | ⑂ 231 |
| 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 webclaw if
- You want the webclaw feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and webclaw 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 webclaw
English 简体中文 webclaw Turn websites into clean markdown, JSON, and LLM ready context. CLI, MCP server, REST API, and SDKs for AI agents and RAG pipelines. Most web scraping tools give your agent one of two bad outputs: a blocked page, login wall, or empty app shell raw HTML full of nav, scripts, styling, ads, and duplicated boilerplate webclaw.io is the hosted web extraction API for webclaw. This repo contains the open source CLI, MCP server, extraction engine, and self hostable server. webclaw turns a URL into clean content your tools can actually use. Use it from the terminal, wire it into Claude/Cursor through …
read the full webclaw overview →
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Frequently asked questions
Is changedetection.io or webclaw more popular?
changedetection.io has 34,312 GitHub stars and webclaw has 2,352. changedetection.io has the larger community by that measure.
Are changedetection.io and webclaw free?
Both are open source. changedetection.io is licensed under Apache-2.0 and webclaw under AGPL-3.0. Neither carries a licence fee.
What is the difference between changedetection.io and webclaw?
changedetection.io is written in Python and webclaw in Rust. 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 webclaw?
Choose changedetection.io if you want the larger community (34,312 stars) or its Apache-2.0 licence terms. Choose webclaw if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.