BinaryNights has Locko in the Mac App Store for FREE (regularly $19.95) for a limited time.

Locko is a beautiful and easy-to-use password manager and file vault. You can store confidential information such as web logins, credit card data, computer accounts, software licenses, private pictures and documents, and much more. Locko supports iCloud and Dropbox so you can keep your data synchronized across multiple computers while maintaining absolute security.