Introduction - If you have any usage issues, please Google them yourself
PGP is the name of a program originally written by Phil Zimmermann in 1991. Later versions have been developed and distributed by MIT, ViaCrypt, PGP Inc., and now Network Associates Inc. (NAI). But PGP is also a standard (RFC 2440: Open PGP Message Format). The following is a list of various PGP products that aim at supporting this standard.