Cisdem AppCrypt for Mac Short Description:
Password Protect Mac OS X Apps from Unauthorized Access
Cisdem AppCrypt for Mac Long Description:
AppCrypt is best app encryption software for your Mac that will allow you to safely password protect iPhoto, iTunes, Contacts, Facebook or any app you like on your Mac. Simply set a passcode and add the apps you want to lock to the lock list, and no one will be able to access your protected apps unless they have the correct password.