* [[Thunderbird/tb-planning|tb-planning]] A low-volume, high signal-to-noise-ratio mailing-list that's devoted to high-level Thunderbird topics.
* [[Thunderbird/tb-enterprise|tb-enterprise]] A mailing-list dedicated to people who want to deploy Thunderbird in a business environment, and the issues/concerns they might encounter.
* [http://planet.mozillamessaging.com Planet Mozilla Messaging] Thunderbird team's various blogs.Links to Thunderbird staff and contributor blogs can be found in the right sidebar of the home page if you want to avoid the planet "firehose"!
* [http://www.twitter.com Twitter] You might want to follow these people: Standard8, lhirlimann, andreasn, bwinton, dmose, asutherland, rtanglao, mozjonathan, mixedpuppy, jrburke, clarkbw, davidascher
* [http://planet.mozilla.org Planet Mozilla] Might be worth a read as well.