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muffet vs linkinator: catalog facts
muffet	linkinator
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Fast concurrent crawling Fits easily into CI pipelines	Crawls whole sites and follows links recursively Checks local files as well as live websites
Command line only, no graphical interface Focused on links rather than wider SEO or markup checks	Command-line only, with no graphical interface Requires Node.js unless run in Docker
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.