"They [Twitter] had absolutely been making huge strides and opening up their API platform, but clients like ours were always going to be second- or third-class citizens,” says Haddad. “Whereas with Mastodon, that's absolutely not the case.”"
Rohan Grey's personal Mastodon server. Mastodon is like Twitter, but federated, so anyone can host a server. Reach out if you want help setting up your own.