http://zkaan2xfbuxia2wpf7ofnkbz6r5zdbbvxbunvp5g2iebopbfc4iqmbad.onion/about
The folks who are running this come
from various projects in the OpenPGP ecosystem,
including Sequoia-PGP, OpenKeychain, and Enigmail. Technically, keys.openpgp.org runs on the Hagrid keyserver software,
which is based on Sequoia-PGP .