SuperCool Zip Backup software is a data backup,restore and file synchronization program. You can use any drive in your system to store the backup files in standard Zip format that can be transferred to remote machine by FTP or Email. It can also compare and synchronize files or folders.

Version 1.61 is shipping as of May, 2003.

http://www.supercoolbookmark.com/zipbackup/index.html