You mention elsewhere that for your plots quantifying Fediverse decentralization, you (want to) count only those Threads users that federate with other instances running ActivityPub-based software. In contrast, Eugen Rochko seems to count any instance running software that natively speaks ActivityPub as part of the Fediverse.
Hence my curiosity questions below about some other software.
#ActivityPub #ATProto #Fediverse #Bluesky #Threads #Hubzilla #(streams) #Forte
(continues)