Windows XP / IE like user interface
XP Theme Support
Multilingual (more than 20 languages)
TLS / SSL (128 bit)
Unicode / UTF8 / MBCS Support
Drag & Drop within internal windows and from/to Explorer
Multi Connections (remote and local)
FXP support
Transfer Queue
- Scheduling
- Uploads/Downloads/FXP
- Unlimited simultaneous threads
Favorites as used in IE
Global History
Recursive Downloads / Uploads / Deletes
Resume for broken Transfers (ul/dl/fxp)
Background Transfers
Proxy / Firewall support
SOCKS5, SOCKS4, SOCKS4A, HTTP Proxy
Wingate, Winproxy, CSM, Checkpoint FW-1, Raptor
Passive Transfer Mode (PASV)
Bands
Local Folder Browser, Transfer Queue
FTP URL (ftp://userw@ftp.host.netort/path ) support
URL Watcher
Cache Remote Directories
ASCII, Skip and Priority Lists
FTP command line
Active Log Control and Logging to File
Quick / Recent Folders
Custom Commands
CHMOD (Properties)
and much more ...
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http://www.smartftp.com

I would not use anything else.