Cyberduck is free from their web site but is non-free from the Apple App store. Please note that there is a very serious security alert with respect to filezilla, see the following article for more information: Avast Blog Malformed FileZilla FTP client with login stealer. This client is cross-platform, with versions available for Windows, Mac OS X and Linux.
We've tested a number of Mac OS X ssh clients and recommend the following programs (others will work as long as they support SSHv2): With Graphical User Interface (GUI)
