Client Program
User must install client program into his/her Macintosh to use the program.
Client programs works as a client of Python CGI.
Client programs has GUI look like finder, and has functions to send/receive files, make directory, change name, remove, change mode the files on FTP server.
ShSSL File Transfer is not aim to replace FTP functions. So it does not have whole functions of FTP.
FTP works in limitation of Python ftplib.