Authora is a founding member of the Open PGP Alliance
   Authora is dedicated to promoting the use of PGP worldwide. The Authora SoveriegnSuite includes ZENDIT, for digital signing, encrypting and access control. ZENDIT can also integrate X.509 Certificates.
   http://www.authora.com/PGPUser.asp

Coviant Software for B2B OpenPGP Software
   Diplomat Transaction Manager from Coviant Software is built using OpenPGP encryption to enable easy set-up and administration of secure, business-to-business file transfers, including scheduling of file transfer jobs, email/paging problem notifications, a
   http://www.coviantsoftware.com

CryptoEx PGP and S/MIME Software
   Products and Technologies for OpenPGP and S/MIME integration for corporate use. Advanced client products for Microsoft Outlook, Lotus Notes, Hard Disk Encryption and others. PKI Technology for CA/RA integration of PGP and X.509.
   http://www.glueckkanja.com/

EasyByte Cryptocx
   Cryptocx is an encryption control that has full PGP support. You can use PGP keys to encrypt/decrypt strings and files from within your applications or ASP sites.
   http://www.easybyte.com/products/cryptocx.html

GNU Privacy Guard (GnuPG)
   The GNU Privacy Guard (GnuPG) is a free replacement for PGP.
   http://www.gnupg.org

MIT Distribution Center for PGP
   PGP® or Pretty Good Privacy® is a powerful cryptographic product family that enables people to securely exchange messages, and to secure files, disk volumes and network connections with both privacy and strong authentication.
   http://web.mit.edu/network/pgp.html

Macintosh PGP
   Reviews of Macintosh specific PGP applications.
   http://www.securemac.com/pgpfreeware.php

Open PGP Command Line EDGE
   Encrypted Data Gateway Engine (EDGe) is an Open PGP compliant Command Line that runs on most Unix platforms and Windows. Embed automatic encryption, decryption, digital signing and verification into countless business applications and processes.
   http://www.authora.com/EDGE

PGP Components for Delphi
   Free components providing encoding, decoding and several key management functions for Delphi versions.
   http://idw-doc.homepage.t-online.de/PGPcomp.htm

PGP Keyanalysis
   This gives you a analysis of the rank and msd of a key within the strongly connected set of pgp keys.
   http://thomas.butter.dk/gpg

Patrick Townsend & Associates
   AS/400 FTP & PGP automation, EDI & XML, eCommerce, Hospitality/Banks/Medical.
   http://www.patownsend.com/PGPencryption.htm

PentaSuite
   PentaSuite: File management/deployment with Thumbnail-based Viewer (JPG, BMP). Email/Antivirus support. 15 Compression Formats: ZIP, ZGB, ZIP64, LHa, etc. CD Burning CD-RW/CD-R. Multi-volume. FTP. Strong Encryption PGP, and AES.
   http://www.pentazip.com/

Prime Factors, Inc.
   Source of OpenPGP (RFC 2440) software for multiple platforms - Windows, Unix, OS/400 and zOS.
   http://www.primefactors.com

Private Idaho Email
   Secure email using PGP 5 or 6, and also one-way anonymous (recipient cannot reply) and two-way anonymous (recipient can reply, but not trace who you are) remailing.
   http://www.itech.net.au/pi/

Veridis
   Veridis is a Software Manufacturer providing commercial OpenPGP Solutions.
   http://www.veridis.com/openpgp/en/

WebStore - PGP Encryption
   Configuration details for PGP encrypted administrative e-mail in WebStore.
   http://www.cgicentral.net/400CS/Docs/pgp.html

Z1 SecureMail Gateway
   Email gateway software from Zertificon Solutions GmbH which uses Open PGP and S/MIME to automatically encrypt, decrypt, sign e-mail and verify signatures.
   http://www.zertificon.de/z1_secure_mail_gateway.php

Zendit and Sovereign by Authora Inc.
   Developes and supports ZENDIT simple to use public key technology for encryption, digital signatures, and digital identity software that is compliant with the OpenPGP standard. Authora is a founding member of the Open PGP Alliance.
   http://www.authora.com

myPGP - Experimental PGP clone
   myPGP is a free software (GPLed) clone of PGP, and can be used to encrypt, decrypt and sign messages in a public key system.
   http://mypgp.sourceforge.net