I use socat a lot, especially when wanting to transfer files without incurring the ssh encryption overhead or rsync daemon setup. Just tar | scocat and voilà,

I use socat a lot, especially when wanting to transfer files without incurring the ssh encryption overhead or rsync daemon setup. Just tar | scocat and voilà, Superfast whole directory tree transfer. Sprinkle a bit of mbuffer or openssl on top and you can do a lot!