Email Encryption Software Relies on One Guy, Who Is Going Broke
Calling GnuPG "email encryption software" really understates its importance.  It's also used in countless applications to encrypt data at rest, and GPG signatures are used to secure the distribution of software.  For instance, GPG is an essential part of the package managers of Debian, Ubuntu, and RedHat.Here is a link to the donation page: https://gnupg.org/donate/index.html