The free open source forum software NodeBB is now part of the Fediverse. You can now follow and interact with members of NodeBB-powered forums from other Fediverse servers.

For example, their co-founder's account on NodeBB is @julian and you can interact with them from Mastodon etc.

You can follow the latest news about NodeBB at:

️ @nodebb

Their official website is at:

️ https://nodebb.org

If you want technical details see the documentation at:

️ https://docs.nodebb.org/activitypub

#Fediverse