I suppose it would be mostly practical skills, cooking, fixing things. Usually had to be done by people themselves.
Maybe also mental things like navigating (with or without paper map) and remembering their daily and weekly agendas.
What other things would be a big difference with the people today?
Or have gone commercial. People are definitely still manually creating, but a lot of it has been made to be sold, either for personal gain or to be able to afford to live.