this is the intro for why i created agmh, a mirroring tool for multiple forges. part 2 is the “grand finale”: https://forum.0x00sec.org/n/surviving-github-microsoft-and-anatel-repression-without-a-cent-2-2/534. part 1 focuses on the context and introduces the problem.
basically, its a cli tool that accesses a profile on some git forge (for example, github: user or org) and starts mirroring that profiles repositories to third parties (locally, codeberg/forgejo, bitbucket, gitlab)