He ought to keep the name, however there should be some way to keep track of the public forks via something that is github oriented. Maybe something in DHT like IPFS. It maybe something npm/yarn can work out.
ytld.org/youtube-dl
google.com/rust_icu
facebook.com/react
Don't have a domain name?
marak.github.io/faker
Not everything needs to be reinvented.