Download of Tri-BACKUP 404 (OS X) 5.3 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X was originally developed by TRI-EDRE.
Tribackup5.dmg is the default file name to indicate the Tri-BACKUP 404 (OS X) installer. Tri-BACKUP 404 (OS X) for Mac is categorized as System Tools. The most popular version of the software is 5.3. The program is sometimes referred to as "Tri-BACKUP 404 OS X". We recommend checking the downloaded files with any free antivirus.
From the developer:
Tri-BACKUP is a backup utility for Mac OS X. Tri-BACKUP protects your important data: Backup your files and disks, preserve each of the successive versions of your documents, automatically run your backup.
Tri-BACKUP can also create bootable copies of your System disks.
You may want to check out more software for Mac, such as Course For Logic 404 Mixing Electronica, NTFS for Mac OS X or Portable RSSOwl OS X, which might be related to Tri-BACKUP 404 (OS X).