Most Popular All »
- 1. ImportExportTools NG 262,906 users
- 2. Provider for Google Calendar 201,203 users
- 3. LookOut (fix version) 179,818 users
- 4. Quicktext 133,237 users
- 5. Send Later 107,032 users
- 6. Remove Duplicate Messages 99,630 users
- 7. TbSync 77,256 users
- 8. CardBook 72,059 users
- 9. Mail Merge 69,609 users
- 10. Grammar and Spell Checker — LanguageTool 62,351 users
Featured Extensions See all »
-
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.11,705 users -
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.21,686 users -
Twitter: @CardBookAddon72,059 users -
33,138 users
-
24,032 users
-
NOTICE: Version 1.1.4 of Extract 'Em! is defective, please replace with 1.1.2 or 1.2.11,476 users
Up & Coming Extensions See all »
-
4,317 users
-
8,981 users
-
951 users
-
(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)21,721 users -
797 users
-
Get an alert if you open an email containing a URL already known as fraudulent.
All reports are anonymized, no registration is required.1,383 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.