Here's the really bitter pill we need to swallow to start moving past monopolistic capitalism: there is no replacement for Amazon, Github, Twitch, and Google. Period.

Their ease and usability are the result of monopolistic privilege.

The things they do are technically, logistically impossible without a trillion dollar mega-corp doing them. For the average use-case, your QoL will drop, significantly, moving to a smaller or self-hosted solution.

You need to accept that, and do it anyway.