I'd like to fully grasp Lemmy and Kbin, especially with Reddit having killed all the good ways of interacting with it. They are partially interoperable with Mastodon and with each other(?), but I am interested to see how split communities work.
Voyager (live) is a well-made client for lemmy, designed to mimic the design of Apollo for Reddit. Potentially the best react app I've ever seen? Certainly the best emulation of iOS I've ever seen.
mlmym is a clone of old.reddit for lemmy. It is excellent.