Free
Airo Antivirus
Airo Antivirus: a native macOS malware protector with limited scope
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Create a disk image of your Mac OS X with your favorite applications
A compact OS X security utility
Encrypt and protect your files
Archive messages and attachments from Entourage
A free powerful tracker blocker
Quickly hide sensitive information
Clones, backups, and data synchronization made easy
Copy backups on external drives