Be careful with first hits ;-)
Seriously: there is no official website, only pages of individual projects, i.e. https://join-lemmy.org/instances.
And the website you linked to is really an interesting source (which I didn’t know yet, thanks), but details are under “About”: https://www.fediverse.to/about/
Be careful with first hits ;-) Seriously: there is no official website, only pages of individual projects, i.e. https://join-lemmy.org/instances. And the website you linked to is really an interesting source (which I didn’t know yet, thanks), but details are under “About”: https://www.fediverse.to/about/