For example, if I want to collaborate on making a (non-computer related) textbook with someone, and we want to use git as a version control system. Should we use github/codeberg for this or is there a platform that’s more suitable for using git in nontechnical contexts?
There are ways to store office formats as single XML files, look up “flat XML ODF”. Those are more suitable for repos than ordinary zipped ODF or OOXML files.