In this page you will find references to diverse programs and scripts that use
cryptograpy and PGP/GnuPG. The source code of this programs is free and you can
find it in the reference pages.
-  Email timestamping ,
Programs to setup a timestamping system for email attachment, using PGP and SMIME
 -  HTML page signing   with
 Webber .  Webber is the program
used at RedIRIS to homogenize the visual aspect of the pages in our WEB server and
allow the automation of several aspect of the HTML page creation and extraction of
information. One of the webber modules allow to sign the HTML pages in the web
server, see   http://www.rediris.es/pgp/firmaweb  
and the source code of this page for more information
 -  gpg-aliases, Small program to create
mailing lists encrypted with GnuPg, this script is useful for small lists , directly made
from lists of email address and places in the /etc/aliases.