FreeFileSync - an open-source file and folder comparison and synchronization tool
We often try to keep a backup of all our data in our computer to a external storage such as HDD, network storage etc. Over a period of time maintaining a synchronization between data on the computer and external storage becomes if you don not have good backup tool. FreeFileSync helps us in resolving this poblem. FreeFileSync is very easy to use and syncs the data in quick time. This tool can be downloaded here.