Best Mac OS X Softwares to backup entire system

Commercial

Time Machine backs up all of your files to an external hard drive so that you can restore them later or see how they looked in the past.

Find apps to do interesting things:

Synchronize files between two directories.

Control another computer or system remotely

View one one many digital images with some useful information when needed.

Removes unwanted files from the system and save space

Scans and removes unwanted or unused apps.

Organize your video collection.