Disk Copy was Apple's disk image creation and mounting tool that shipped with Mac OS starting from 1988 (System 6) up to 2002 (OSX 10.2).  The last version released is beta but works fine, especially that it could mount and allow editing of...

An application that allows you to easily back up and restore your hard disk. A DiskFit Direct backup copies only files that have changed since the last backup and can be used to restore individual files, folders, or an entire disk. Created by Dantz...

The DiskTools Collection is a suite of 5 small applications (known as desk accessories). This is one of (if not the) last version.  It's very polished and made freeware after all these years.  Last version is the 3.3.4 FREE version,...

Files utility

Dragon Burn is an alternative to Toast.  Dragon Burn lets you author CD-R and CD-RW media, copy CD's, backup Mac volumes, extract audio tracks from existing discs to AIFF, CDDA, MP3 and WAV file formats, create audio CD's and even use...