pgpforwarder is a Perl server that accepts plain-text mails for users and sends them out encrypted. It allows a non-PGP-enabled person (e.g., your boss) to communicate safely with a PGP-enabled person (e.g. your IT development department).
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.