Good FTP Client which Supports SSL?

Filezilla ftw.

The main features of FileZilla are:

Ability to resume Uploads/Downloads (if the server supports it)

Custom Commands

Site Manager with folders

Keep Alive system

Timeout detection

Firewall support

SOCKS4/5 and HTTP1.1 Proxy support

SSL secured connections

SFTP support

Upload/Download Queue

Drag&Drop

Multi-language support

GSS authentication and encryption using Kerberos