Sshfs

The best solution I've found today (2017) is to use Homebrew and Cask to install osxfuse and sshfs:

brew cask install osxfuse
brew install homebrew/fuse/sshfs

And then:

sshfs username@hostname:/remote/directory/path /local/mount/point -ovolname=NAME

It works! :-)

http://apple.stackexchange.com/questions/5209/how-can-i-mount-sftp-ssh-in-finder-on-osx-snow-leopard

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