Solesignal has announced SmartBackup 3.4, an update to their alternative backup and cloning utility for Mac OS X (10.8 or later).
It syncs multiple source items to a destination on an external hard drive, flashdrive or network share. SmartBackup features a 64-bit sync engine built on the latest Apple technologies. Version 3.4 adds an updated sync engine, user interface improvements, bug fixes and more.
A single license is available for US$25 from the Solesignal website (http://solesignal.com). SmartBackup can be downloaded and tried for free for a limited number of backups.