You can find an archive of the links' targets at https://archive.softwareheritage.org/swh:1:dir:5861f19187336...

Interestingly, the repo has a LICENSES folder that contains the text of the licenses used in the repo:

https://archive.softwareheritage.org/browse/directory/ed4b20...

And yep, they only included the most openly permissive ones there (APL2 and MIT), completely skipping everything else. Ugh.