If that's what you want, you can just use Dropbox itself to store code and use one of the several deployment tools which can pull code from it (e.g. cloudcannon

If that's what you want, you can just use Dropbox itself to store code and use one of the several deployment tools which can pull code from it (e.g. cloudcannon). It quickly falls apart though as you don't have a proper history, reverts, or branching - it's OK for static sites but a disaster for anything more than that.