head to head · open source
Crawl4AI vs siteone-crawler
Crawl4AI has 86,783 GitHub stars, 9,043 forks, 188 open issues and last shipped yesterday. siteone-crawler has 994 stars, 93 forks, 21 open issues and last shipped 1 months ago. Crawl4AI leads on adoption by 8,631% (86,783 vs 994 stars). Crawl4AI is written in Python under Apache-2.0; siteone-crawler is written in Rust under MIT. Crawl4AI has attracted 10% as many forks as stars, siteone-crawler 9%. Crawl4AI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (crawler, markdown), so they are genuine substitutes rather than adjacent tools.
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
| Crawl4AI | siteone-crawler | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 994 |
| License | Apache-2.0 | MIT |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-09-27 |
| Forks | ⑂ 9.0K | ⑂ 93 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Crawl4AI if
- You weight community size — 87K 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 siteone-crawler if
- You want the siteone-crawler feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and siteone-crawler fits your workflow better
About Crawl4AI
🚀🤖 Crawl4AI: Open source LLM Friendly Web Crawler & Scraper. 🚀 Crawl4AI Cloud API — Closed Beta (Launching Soon) Reliable, large scale web extraction, now built to be drastically more cost effective than any of the existing solutions. 👉 Apply here for early access We’ll be onboarding in phases and working closely with early users. Limited slots. Crawl4AI turns the web into clean, LLM ready Markdown for RAG, agents, and data pipelines. Fast, controllable, battle tested by a 50k+ star community. ✨ Check out latest update v0.9.3 ✨ New in v0.9.3 : Security release. Closes five coordinated disclosure advisories…
read the full Crawl4AI overview →
About siteone-crawler
SiteOne Crawler SiteOne Crawler is a powerful and easy to use website analyzer, cloner, and converter designed for developers seeking security and performance insights, SEO specialists identifying optimization opportunities, and website owners needing reliable backups and offline versions. Now rewritten in Rust for maximum performance, minimal resource usage, and zero runtime dependencies. The transition from PHP+Swoole to Rust resulted in 25% faster execution and 30% lower memory consumption while producing identical output. Discover the SiteOne Crawler advantage: Run Anywhere: Single native binary for 🪟…
read the full siteone-crawler overview →
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Frequently asked questions
Is Crawl4AI or siteone-crawler more popular?
Crawl4AI has 86,783 GitHub stars and siteone-crawler has 994. Crawl4AI has the larger community by that measure.
Are Crawl4AI and siteone-crawler free?
Both are open source. Crawl4AI is licensed under Apache-2.0 and siteone-crawler under MIT. Neither carries a licence fee.
What is the difference between Crawl4AI and siteone-crawler?
Crawl4AI is written in Python and siteone-crawler 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, Crawl4AI or siteone-crawler?
Choose Crawl4AI if you want the larger community (86,783 stars) or its Apache-2.0 licence terms. Choose siteone-crawler if its feature set, stack or MIT licence fits better. Both are self-hostable.