bitcoincore development – How does an individual access the Bitcoin Core repo and contribute to it in the case that GitHub boots Bitcoin Core or the individual off GitHub?

This is a draft answer. Note there have been recent consensus issues with Tor v3 addresses.

Wladimir van der Laan posted this on Mastodon.

My personal bitcoin Git repository, which mirrors upstream branches
and tags is available through a TorV3 service on
http://nxshomzlgqmwfwhcnyvbznyrybh3gotlfgis7wkv7iur2yj2rarlhiad.onion/

(instructions for cloning are on the website)

I’m also mirroring it to the radicle (https://radicle.xyz/) P2P code
collaboration platform:

rad:git:hwd1yreyfmyg5my7kskrsc5r33h5jr9anra9635hpncfs9f1wsk1eaf8f9w