You got the idea from here, right? :D

Running Gitea and want to mirror worthwhile repositories, hence this post. :)

Okay, but are they in danger of being removed? I think, they should be very well preserved…

https://github.com/SierraSoftworks/github-backup

Nice, noted. Do you have any other projects on your mind?

Thanks for your suggestion. Do you have a list of Github URLs of the ones most important to you?