CoffeeCup Free FTP
From BuzzWiki
File > Manage Servers
Click on '+' on the bottom of 'My servers' section.
Configure FTP client with your account FTP settings.
Be sure that the 'Passive mode' is enabled

Click More Options to set FTP as Protocol; port: 21

Local and Remote Folders can be either left empty or pointed to a necessary location on your computer and hosting account correspondingly.
The number of 'Connections' must not be more than 2
- Remote Folder: public_html - connect to your account main public directory, where all the content of your domain is located
- Remote Folder: public_html/directory - connect to a directory of a sub- or add-on domain or any other directory under public_html
As soon as you are done, click ok and you are all set.