Mac Syncing

[MotionMan]

Does anyone know of a good free Mac syncing program for backing up the contents of the Mac internal HD to an external HD?

MotionMan

 

[TheStu]

Time Machine.
SuperDuper (but for all the features, it costs money)
ChronoSync (maybe)
CarbonCopyCloner (for incrementals I think you need to donate money)