I've got invitation to Cyph:
https://www.cyph.com/blog/why-should-you-use-cyph

Seems like Keybase alternative. Its still in beta but when my account get confirmed I will post invitation links (I got 5 of them), anyone interested can DM me or better send PGP email (or PGP DM), and I'll send invitation links to you. I'll update on remaining invitations.