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DeadFinderLinkChecker
Free

Free and open source under the MIT license.

 Free

Free and open source under the GPL.

Command line Windows, macOS, Linux, Command line
  • Scans pages, URL lists, and sitemaps
  • Offers several structured output formats
  • Recursive, multithreaded crawling of whole sites
  • Many output formats including CSV, XML, SQL and sitemap graphs
  • Command-line tool
  • Checking links requires network access
  • Command-line only, no graphical interface
  • The PyPI release may lag behind the latest code
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 23, 2026

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