Implementations
- Midnight Commander
- Lftp
- fish:// KDE kioslave (with konqueror or dolphin)
- tramp-fish.el implemented it in Emacs TRAMP (but might have been thrown away if nobody needed it); Emacs TRAMP in overall has similar goals to FISH: remote access to files through a remote Unix shell.
Read more about this topic: Files Transferred Over Shell Protocol