[pluto_modadic]

self-hosting: running open source code that you could run on any computer.

if it's convenient to run mastodon on hetzner, that's STILL self hosting; because you /can/ move your app IN ITS ENTIRETY from any computer to any other.

HomeLab elites really are the most insufferable people out there.

[ThatPlayer]

It doesn't have to be open source. Plex is probably the most popular example of that. MongoDB is also no longer generally considered open source.