@GnuPG Home Donate Software Download Documentation THE GNU PRIVAcY GuARD GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP) GnuPG allows you to encrypt and sign your data and communications; it features a versatile management system, along with access modules for all kinds of public directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications. A wealth of frontend applications and libraries are available. GnuPG also provides support for SIMIME and Secure Shell (ssh): Since its introduction in 1997, GnuPG is Free Software (meaning that it respects your freedom): It can be freely used, modified and distributed under the terms of the GNU General Public License Blog key key