APPSPACK-Announce Mailing List - Low-volume, primarily for release announcements. (Highly recommended for all developers and users)
APPSPACK-Users Mailing List - Discussion forum for users of APPSPACK. (Recommended for all developers and any users that are interested in discussions about APPSPACK.)
APPSPACK-Developers Mailing List - Discussion forum for APPSPACK developers. (Recommended for all developers, not recommended for users.)