It's why I'm building gurlic. Gurlic has communities, publications and galleries. I care about anonymity, custom domains, integration with Matrix among other things.

https://gurlic.com

https://gurlic.com/about

Some communities:

https://gurlic.com/programming

https://gurlic.com/interesting

https://gurlic.space

A gallery:

https://gurlic.art

A publication:

https://classics.wtf