Open Source for Mac OS X

DVD Imager can be used to make a burnable DVD video image file from a DVD video disk that you have made using iDVD, or other means. Just drop any VIDEO_TS folder onto its icon to get stated.

DVD Imager doesn't have the ability to decrypt video content yet. DVD Imager is an Applescript Studio GUI wrapper for Jorg Schilling's mkisofs binary executable.