Download Installer: https://github.com/dstuecken/sshfs-gui/raw/develop/Installer/sshfs-gui-1.3.1.dmg
sshfs-gui is a GUI wrapper for SSHFS
You need Mac OS X 10.9+.
Additional sshfs clients are not needed anymore, but you can install one of these if you want to:
Note that this is a fork of https://code.google.com/p/sshfs-gui/ by Юрий Насретдинов, which unfortunately is not hosted on github - and not maintained anymore.