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Dr. Link Check vs LinkChecker: catalog facts
Dr. Link Check	LinkChecker
Freemium A free check is available, with paid plans for larger or repeated checks.	Free Free and open source under the GPL.
Web	Windows, macOS, Linux, Command line
Flags links to malware and phishing sites, not only dead ones Checks resources such as images and style sheets	Recursive, multithreaded crawling of whole sites Many output formats including CSV, XML, SQL and sitemap graphs
Requires JavaScript in the browser Larger sites need a paid plan	Command-line only, no graphical interface The PyPI release may lag behind the latest code
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL
Not stated if an account is needed	No account needed
Needs internet	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.