CDFinder is the powerful digital asset manager (disk cataloger) for the Mac.
CDFinder Screenshot
CDFinder organizes your entire disk library and backup archive of any size, and keeps track of your files and folders anywhere.
CDFinder quickly catalogs your photos, audio files, or any other media and data files, hard disks, USB stick, server volumes, DVD-ROMs, CD-ROMs, and virtually anything that turns.
System requirements:
Mac OS X 10.4 or 10.5
The download is a fully-operational free trial version of CDFinder.