I’ve seen keebinetters, but that feels like trying to say Massachusettsian instead of Bay Stater.
Kay-Binner seems like the most simple and inclusive, but that depends on the fact that you pronounce kbin Kay-bin
Maybe something representing the federated nature? Like Fedizen maybe?
partial to kbeans myself (to explain: kbin beings -> kbeans)
Me and the homies at 3am looking for (k)BEANS
It’s pretty funny, I like it.