I've now added a few rooms to my matrix server room directory. These aren't all rooms I joined but the ones that I'm most likely participating in. (So you could take it as a kind of endorsement of the project *and* community of these rooms.) I might still be missing a few 😇 .
@sheogorath explains on how you can take a look at my directory, regardless of which matrix server you have your account on:
chaos.social – a Fediverse instance for & by the Chaos community