yes.

ActivityPub

ASPE

Discourse

DNS

forem

Forgejo

Friendica

Gitea

Github

Gitlab

Hackernews

IRC

kbin

Keybase

Lemmy

Liberapay

Lichess

Lobste.rs

Mastodon

Matrix

OpenCollective

OpenPGP

Owncast

Peertube

Pixelfed

Pleroma

Reddit

StackExchange

Telegram

Twitter

WriteFreely

XMPP

ps: docs.keyoxide.org/service-providers/twitter/