Usage
Although the basic GnuPG program has a command line interface, there exist various front-ends that provide it with a graphical user interface. For example, GnuPG encryption support has been integrated into KMail and Evolution, the graphical e-mail clients found in KDE and GNOME, the most popular Linux desktops. There are also graphical GnuPG front-ends (Seahorse for GNOME, KGPG for KDE). For Mac OS X, the Mac GPG project provides a number of Aqua front-ends for OS integration of encryption and key management as well as GnuPG installations via Installer packages. Furthermore, the GPGTools Installer installs all related OpenPGP applications (GPG Keychain Access), plugins (GPGMail) and dependencies (MacGPG) to use GnuPG based encryption. Instant messaging applications such as Psi and Fire can automatically secure messages when GnuPG is installed and configured. Web-based software such as Horde also makes use of it. The cross-platform extension Enigmail provides GnuPG support for Mozilla Thunderbird and SeaMonkey. Similarly, Enigform provides GnuPG support for Mozilla Firefox. FireGPG was discontinued June 7, 2010.
In 2005, G10 Code and Intevation released Gpg4win, a software suite that includes GnuPG for Windows, WinPT, Gnu Privacy Assistant, and GnuPG plug-ins for Windows Explorer and Outlook. These tools are wrapped in a standard Windows installer, making it easier for GnuPG to be installed and used on Windows systems.
Other software wraps the command line in a Perl script (e.g. gpg-dialog) that is menu based.
Read more about this topic: GNU Privacy Guard
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