Retrospect  
   A backup program by Dantz Development for a single Macintosh or an entire network of Macs and Windows 9x/NT PCs.
   http://www.dantz.com/

BackJack  
   A Macintosh based, fully automated, secure data backup and recovery service done via the Internet.
   http://www.backjack.com/

Enterprise Software  
   Makers of Drag'nBack, a very easy to use full featured shareware backup program for all Mac OS compatible computers. You drag and drop icons on the desktop to back up files or folders. Drag'nBack allows you to devise a backup strategy that suits your part
   http://members.aol.com/realip/index.html

Quik Sync  
   A file syncronization utility by Iomega Corporation that keeps a copy of your hard drive on Zip or Jaz disks.
   http://www.iomega.com/software/

Qdea  
   Makers of Syncronize! and Syncronize! Pro. Both offer file syncronization and backup capabilities for multiple Macs. The Pro version also handles file server mirroring.
   http://www.qdea.com/

Tri-Backup  
   A backup program by Tri-Edre that can perform mirror or incremental backups as well as synchronization.
   http://www.tri-edre.com/english/

Squash  
   An encrypted compressed archive tool for Mac OS X. Maintains lists of files and folders with which to work.
   http://www.matriciel.co.uk/squash

DeskTape Pro  
   This utility by Optima Technology allows you to copy files and folders directly to your tape drive in the Finder. There are no applications to open and no complicated copy operations to set up.
   http://www.optimatech.com/desktapepro.html

FullBack  
   Backup system available to TradingPost users that provides a remote disk for easy backup. Files are compressed with Stuffit technology and encrypted with 512-bit keys!
   http://www.highwinds.com/BackupSystem.html

Mac Backups  
   Backup software enabling offsite storage of data. Download a free 30-day trial.
   http://www.macbackups.com/