FileZilla Server Tutorial - Setup FTPS (Secure FTP)
FTPS (FTP over SSL) - Layer #2 of the Secure FTP Onion
Secure FTP For Beginners
SFTP (SSH Secure FTP) - Layer #4 of the Secure FTP Onion
Secure FTP is a Java-based FTP client developed by Glub Tech. Some of its features include: FTPS, bookmarks, compression, proxy and firewall support, multiple connections, chmod, drag-and-drop, command-line scripting, and localization for 8 languages, including English, French, German, Spanish, Japanese, Portuguese, Brazilian Portuguese and Russian. It can be used via its GUI or CLI.