This isn't really what you're looking for, but SMB is supported on all major desktop platforms. It's also supported on all major mobile platforms through third-

This isn't really what you're looking for, but SMB is supported on all major desktop platforms. It's also supported on all major mobile platforms through third-party apps. Instead of moving storage devices around, you might consider setting up a NAS and transferring files over the network. It doesn't work for every use-case, but it might be a viable alternative to many use-cases.