gnucash-announce@gnucash.org	Announcement mailing list: Posts to this moderated list announce important events and news concerning GnuCash. This is a low-volume mailing list (1 or fewer messages a week).
gnucash-user@gnucash.org	User's mailing list: Discussions of how to install, set up and use GnuCash, and discussions such as basic accounting principles. This is occasionally a high-volume mailing list (2 to 30 messages a day).
gnucash-devel@gnucash.org	Developer's mailing list: Discussions of current and future features and functions, and how they should be implemented. This is occasionally a high-volume mailing list (2 to 30 messages a day).
gnucash-patches@gnucash.org	Developer's mailing list: Submission and discussion of patches, and notifications of CVS tree updates. Patches should be in makepatch format. Patches may be against source code, documentation, or foreign language translations. This is occasionally a high-volume mailing list (2 to 30 messages a day).