AI-Rating
  • Enigmail
  • enigmail.mozdev.org
  • A security extension which allows the use of authentication and encryption features provided by GnuPG.
4.2
(si*)
  • QuickFolders
  • quickfolders.mozdev.org
  • Eliminates the clutter of the folders sidebar by having the most important folders as tabs.
3.9
(si*)
  • Mail Tweak
  • mailtweak.mozdev.org
  • Provides a variety of fixes and enhancements.
3.6
(si*)
  • BirdieSync
  • www.birdiesync.com
  • Pocket PC and Smartphone synchronization of cards, events, tasks and mails with Thunderbird, Lightning and Sunbird.
3.5
(si*)