Simple backup software.
Bac4mac is a simple piece of software by C Smith Software that allows you to back up files and folders from your Mac hard drive to another place (usually on an external drive). When Bac4mac caries out a backup, it does not create any strange 'image' files, it simply copies new and updates existing files in the specified destination folders. The backed up files can then be read by any other Apple Mac computer.
Find and removes all duplicate files and folders on your Mac.
Play Apple ProRes files through QuickTime.
Find the largest files that occupied your hard drive and get a full control over what gets deleted.