Fediverse
https://fediverse.party/
AT Protocol
– Decentralized social networking protocol
Comparison of software and protocols for distributed social networking
Distributed social network
– Collection of services that communicate through a common protocol
IndieWeb
– Movement to self-host and control web content
RSS
– Family of web feed formats
XMPP
– Communications protocol for message-oriented middleware
https://ja.wikipedia.org/wiki/Fediverse
https://en.wikipedia.org/wiki/Fediverse