Wrestling with this too, it would be nice if say Thunar could mount an ext4 filesystem on a GPT USBstick
I tried ext4fuse and the ext kernel modules, but although the file managers detect the ext4 filesystems they give errors on mounting them
Most BSD users are used to working in a comfortable Linux environment.
Data migration gets a little awkward this way, GhostBSD is so close for large public acceptance.
Support for other hardware categories not listed below.