Powerdesk is a powerful file manager.
FTP - Access PowerDesk FTP in an easy-to-use, drag-and-drop interface and view FTP sites as though they were ordinary folders
Sync Manager - Compare and synchronize the contents of two folders
Size Manager™ - A powerful utility that shows you where and how the space on each of your drives is being used.
Read more about the latest version here
Latest version is PowerDesk Pro 8 which will costs you $39.95 while you can get a PowerDesk Pro 7 version for free.
1. Visit the promotional page
2. Fill the form and Submit
3. You can see the serial key on the next page
4. Download PowerDesk Pro 7 and install using the key