I like pass, It’s just a wrapper around standard tools - gpg encrypted files in a directory, with git for version control. You can organize the subfolders however you’d like, and store whatever you want in them. You can sync the files across systems however you’d like - copy/paste, rsync, network drive… You can even go as far as to install a git server, e.g. gitlab, and clone, push, and pull into password synchronization bliss.