CHIBI NINJA 1.1.0
Chibi Ninja allows you send an encrypted message and an image through your default mailer like Apple Mail on Mac OSX or Outlook Express on Windows without complicated encryption mail setting.
Create an encrypted disk with software that comes on your Mac view it
Pt. 3: What's up (with the) Dock? view it
Pt. 2: Taking your Mac to task view it
You can encrypt your USB drive with TrueCrypt view it
Apple has officially released the much anticipated OS X Snow Leopard view it