Backing up drives is one of the topics that's often posted about. Here is an open source, very nice looking backup program that might meet your needs in this area.
Backup Engine Features :
* Archives compression (Zip format)
* Archives encryption (Triple DES & AES encryption algorithm)
* Source file filters (by extension, subdirectory, regular expression, size, date, status, usage)
* Incremental / Full backup support ...
Graphical User Interface :
* Archives content explorer
* Archive description : A manifest is associated to each archive, which contains various informations such as author, title, date, description, and some technical data.
* File history explorer : Areca keeps track of your file's history (creation / modifications / deletion) over your archives.
* Backup simulation : useful to check wether a backup is necessary ...
Command-Line Interface :
* Areca comes with a command-line interface which can be used for backup automation..
http://areca.sourceforge.net/
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(http://areca.sourceforge.net/)
from http://www.all4you.dk/FreewareWorld