Here’s another Twit alternative, as well.
Looks, acts, and smells like a twitter clone, but it’ a distributed network with no ads and would be tough to take own by anyone.
https://www.makeuseof.com/tag/mastodon-know-social-network/
Gab is a Mastodon instance.
Looking for Wictor, Cates, & Rex? Try quodverum.com.