GoodSync automatically analyzes, synchronizes, and backs up your emails, precious family photos, music, contacts, financial documents, and other important files locally - between desktops, laptops, servers, external drives, and Windows Mobile devices, as well as remotely through FTP, SFTP, WebDAV, and more.
File Sync
GoodSync syncs files between your computer, mobile devices, FTP, SFTP, Amazon S3, Google Drive, SkyDrive, WebDAV, Azure.

Backup Files
GoodSync backs up files to portable drives, mobile devices and to FTP, S3, GDocs, SkyDrive, DAV or another computer.

Direct P2P Sync
GoodSync Connect syncs files directly between your computers, without slowness introduced by syncing via 3rd party servers.

Speed and Real-Time Sync
GoodSync is very fast and syncs files on your command, periodically, by a schedule or in real time (on file change).

OS - MacOSX 10.7 or Later
Home Page -
http://www.goodsync.com/