Doug Barton's PGP Filters
Bourne shell scripts that support GnuPG 1.4.x and 2.x. Includes filter to send or receive inline PGP, and scripts to verify and decrypt MIME PGP. PGPenvelope
A filter that allows you to use Pine in conjunction with GPG. Pine Privacy Guard
A filter written in Perl that allows you to use Pine and GPG to sign, encrypt and decrypt messages. Pine for OpenVMS
A port of Pine for OpenVMS. Patches for Pine by Ryan Barret
A collection of patches to enhance Pine. Help and Patches for Pine
A collection of patches for Pine. It includes help for Pine and links to more sources of patches in the web. Peter Daum's PGP4Pine
A perl script to integrate PGP, up to version 2.63i, into Pine. Nancy McGough's Page on Pine
Information about configuring Pine. Includes a list of links to resources about Pine. Pine on Mac OS X
Notes on building and running pine under Mac OS X. OpenSSL Configuration for Pine
Help on how to configure Pine to be used with OpenSSL. Peter Hanecak's PGP4Pine
Supports version 2.6.x, 5.x and 6.5.x and GnuPG version 1.0.0 and later. Source code and RPM packages are available also. Pine UTF-8 FAQ
Questions and answers on an unofficial patch for Pine to allow it to correctly send and read UTF-8 encoded mail. Alpine Information Center
This project is the continuation of the Pine project under a new license. Pine Information Center
Official web page about this mail program by Computing and Communications at the University of Washington. Pine for OS/2
A port of Pine for IBM's OS/2. Gopi Sundaram's comp.mail.pine FAQ
A collection of answers to questions that appear frequently in comp.mail.pine. The xPine Email System
A graphical (X11) interface for the Unix version of Pine. Still under test.