martFTP is an FTP (File Transfer Protocol), FTPS, SFTP, SSH, Terminal client.

It allows you to transfer files between your local computer and a server on the Internet. 
With its many basic and advanced Features SmartFTP also offers secure, reliable and efficient transfers that make it a powerful tool.

SmartFTP can be used for:

    * Web site publishing and maintenance
    * Upload and download of images, documents, movie and music files
    * Share your files with your friends and coworkers
    * Backup and synchronize local and remote files

Features:

    * FTP and FTPS (Secure FTP)
    * SFTP over SSH (Professional Edition)
    * Integrated Editor (Professional Edition)
    * Terminal Emulator (Ultimate Edition)
    * HIPAA 5010 compliant (Professional Edition)
    * FIPS 140-2 compliant
    * Modern Graphical User Interface (GUI)
    * File/Folder Synchronization
    * Multilingual (more than 20 languages)
    * Thumbnails View and Preview
    * Visual Compare
    * Advanced Schedule
    * IPv6
    * On-the-fly Compression (MODE Z)
    * UTF-8 Support
    * Drag & Drop
    * Multiple Connections
    * Auto reconnect and resume of broken transfers
    * Transfer Integrity
    * Verified Transfers (XCRC, XMD5, XSHA)
    * FXP (Server-To-Server Transfer) support
    * Remote Edit of files
    * Search for files and folders on the server
    * Local Browser
    * Bulk Rename (Professional Edition)
    * Scripting (Professional Edition)
    * Enhanced NAT/UPnP Support
    * UPnP (Universal Plug and Play), ICS, ICF
    * Transfer Queue
          o Scheduling
          o Uploads/Downloads/FXP
          o Unlimited simultaneous threads
    * International Domain Names (IDN)
    * Proxy / Firewall support
          o SOCKS5, SOCKS4, SOCKS4A, HTTP Proxy
          o
          o Wingate, Winproxy, CSM, Checkpoint FW-1, Raptor
    * Backup Tool
    * URL Watcher
    * Cache Remote Directories
    * FTP command line
    * Custom Commands
    * CHMOD (Properties)
    * Section 508 compliant
    * and much more …

more info 
http://www.smartftp.com/