Contact
Points of contact for implementation-agnostic exchange about OpenPGP, the standard.
IETF OpenPGP working group
The OpenPGP working group at the IETF standardizes the OpenPGP format, in the form of RFC documents.
An email list archive is available (subscribe to the list).
General OpenPGP chatroom
A large general purpose OpenPGP room on Matrix:
(Note that the room name contains “GPG” for additional discoverability, even though the room is not GnuPG-specific.)
openpgp-email
An email list for discussion of “OpenPGP-based Email Encryption” (hosted by enigmail):
https://lists.hostpoint.ch/archives/list/openpgp-email@enigmail.net/latest
Note: The “email summit” series of meetings originates from this list.
OpenPGP for application developers
Matrix chat room for the “OpenPGP for application developers” documentation project: