Guard7 is a general purpose cryptography tool that can be used to encrypt, decrypt email and file, sign and verify files. It is the graphical frontend for the GNU Privacy Guard (GnuPG or GPG, http://www.gnupg.org) with additional features. Guard7 is an encryption and decryption system based on industry standard that can ensure the complete security of business negotiations or personal messages. It was developed to make the daily work with GnuPG easy and simple.
Why
---------
The most difference between "public key cryptography" and normal "password protected cryptography" is that the first approach dont ask you to distribute any password to anyone or any unsafe place, e.g. email, chat app, or internet. And, you need an encryption tool that has industrial strength to protect your confidential information.
Additional Features
--------------------
Organise contacts into group, switch between different keyrings. Seamlessly integrated with the builtin Mail.app to send and receive message conveniently, and can easily organise dozens of recipients for email message. Encrypt or decrypt file just require dragging the file from Finder into Guard7, its very efficient, convenient and simple.
Scriptable App
--------------------
Automation common tasks with scripting languages.
