Open Source Projects:
- https://github.com/wummel/linkchecker (1.2k stars)
- https://github.com/stevenvachon/broken-link-checker (843 stars)
- https://github.com/dkhamsing/awesome_bot (626 stars)
- https://github.com/tcort/markdown-link-check (90 stars)
- https://github.com/peter-evans/link-checker (7 stars)
Note: star counts last updated on 2019-12-31.