Mastodawn

Discord delays global age verification rollout after backlash - Dexerto

Lemmy

But a true easy to use discord alternative is still not there.

For chat: IRC, Stoat, Fluxer, Root, Zulip, Matrix, Slack, Teams, Guilded.

For voice/video: Mumble, Teamspeak, Jitsi Meet, also several of the above.