You can contribute to Thunderbird by:
- Spreading Thunderbird
- QA Testing - Test Thunderbird code.
- Extension development
- Writing a patch for Thunderbird.
Thunderbird code resides in "mail", "mailnews" and "mozilla/toolkit" directories.
- Possible address book improvements
- Menu ideas
- Removal of RDF
- Removal of Mork - See bug 11050 and bug 382876.
- Shutdown service
- Supported authentication methods
- UI reduction
Module Owners And Review Rules
If you need assistance in developing Thunderbird, feel free to head to the following IRC channels in irc.mozilla.org for discussion, or post in the Thunderbird development newsgroup.
- #developers, #maildev - Thunderbird developers usually hang out on both channels.
- Newsgroup - mozilla.dev.apps.thunderbird
- Code Name Planning for upcoming development versions