Most content of this gist is outdated, as the TB addon system has changed and now uses the same addon system, that is used by firefox
- https://developer.mozilla.org/en-US/Add-ons/Thunderbird
- https://developer.mozilla.org/en-US/docs/Mozilla/Thunderbird/Thunderbird_API_documentation
- Thunderbird classes which can be used by addons:
- Source code of Thunderbird components:
- https://dxr.mozilla.org/comm-central/source/mail/components