[*]What Is ActivityPub? The Protocol That Lets Mastodon, PeerTube, and Lemmy Talk to Each OtherActivityPub is the W3C standard behind the Fediverse, letting Mastodon, PeerTube, Lemmy, and other platforms interoperate across servers.2026-07-01·#ActivityPub#Fediverse#Mastodon#PeerTube#Lemmy#Open Source#Decentralization#Privacy#C.IM#P.LU#R.NF
