FAQs, Help, and Tutorials
A security analysis of PGP, Analysis of PGP Email Options, Getting Started with PGP, GnuPG Frequently Asked Questions, How to secure your emails with GnuPG and Enigmail, Introduction to PGP, Keysigning Party How-To, PGP 2.6.2 FAQ, PGP Attack FAQ, PGP Tutorial
Front-ends and Plug-ins
Aegri Somnia Encryption Engine, Belize Offshore PGPmail, Command Code, DOS-based PGP Frontends, Empics/Peics pages, Envelope for Mac, PGP Frontends, PGP Tools from Net Services - Mollusc 5, PGP/MIME - Secure E-mail Clients, PGPClick
Key Servers
BAL's PGP Public Key Server, CryptNET Public Key Server, Global Internet Trust Register, OpenPGP Public Key Server, The WWW Based Key Server System
Reference
Draft - Multiple Signatures using Security Multipa, PGP Key signing policy of Juergen Nieveler, PGP related RFC, RFC 1991 - PGP Message Exchange Formats, RFC 2015 - MIME Security with Pretty Good Privacy , RFC 2440 - OpenPGP Message Format
Software
Authora is a founding member of the Open PGP Allia, C1 SecureMail - eBusiness, Coviant Software for B2B OpenPGP Software, CryptoEx PGP and S/MIME Software, EasyByte Cryptocx, GNU Privacy Guard (GnuPG), Macintosh PGP, MIT Distribution Center for PGP, myPGP - Experimental PGP clone, Network Associates Inc.
Diceware Passphrase
A way to choose a secure Passphrase for use with PGP.
DSJ Networks PGP Resources
A superior collection of PGP annotated resources and links to include books, tutorials, utilities, news, and articles.
IETF OpenPGP Working Group
Provides IETF standards for the algorithms and formats of PGP processed objects as well as providing the MIME framework for exchanging them via e-mail or other transport protocols.
International PGP Home Page
PGP Resources outside of the U.S. and Canada. Serves as a PGP code and document repository for the PGP user community. It also keeps up-to-date PGP news, vulnerabilities, and hotfixes.
Open PGP Alliance
The OpenPGP Alliance is a growing group of companies and other organizations that are implementers of the OpenPGP standard. The Alliance works to facilitate technical interoperability and marketing synergy between OpenPGP implementations.
PGP Corporation
Purchased rights to PGP from Network Associates and will be releasing PGP 8.0 in November 2002. PGP Corp plans to support multiple platforms and products to include a freeware with source code for personal use.
PGP Digital Timestamping Service
Stamper is a free digital timestamping service which uses PGP and operates via Internet email.
PGP pathfinder and key statistics
Lookup the statistics of your PGP key. The pathfinder finds trust paths between your key and some other key in the PGP web of trust.
PGP Web-of-trust analysis
Statistics about the position of all keys within the web-of-trust. It calculates the MSD and the rank of the key over time.
PGP-Users Mailing List Home Page
Home page of the PGP-Users Mailing List and many good PGP related links.
Phil Zimmermann's Home Page
Phil Zimmermann is the original creator of PGP and a founder of PGP, Inc. This site offers historical PGP background and current resource links.
Robot CA
It signs PGP keys automatically. The point is only to verify the email address on the key, not to verify the identity of the email address's owner. Given a PGP key signed by a Robot CA, the user knows that the key really does belong to the email address on it.
SharpPrivacyLibrary Download Page
SharpPrivacyLibrary is a C# .NET API realizing a complete implementation of the OpenPGP standard ( RFC 2440 ). It is distributed under GPL as a reusable DLL library fully compatible with PGP 8.0 or former versions.