@risottobias @polotek @hrefna @thisismissem Yes, but I'm not sure the answer will be satisfying. For efforts that are more interested in syncing some kind of shared state, you should probably look more at p2p messaging apps. Stuff like Matrix or Cwtch. XMPP is worth a mention, too.
For one-way publishing, the answer is RSS and Atom. You might also consider email.
But none of those does what we want this network to do.
@risottobias @polotek @hrefna @thisismissem Oh, and I'm sure the Spritely gang have thoughts