@Antanicus Federated tools, of course. IMHO offered list seems a bit bread&butter - C21 variants on C20 print media telephone &c?
What of emerging technologies to change relations of ownership with what we make and say - #WriteRead web, #LinkedData? Existing #analytics technologies on wild commons of data . . should be in the storefront serving *us* not back office serving extractive corporations?
A fediverse issue not social.coop issue? But social.coop might lobby devs, boost protocols.