Add-ons
Most Popular All »
- 1. Lightning 6,595,262 users
- 2. ImportExportTools 462,706 users
- 3. Provider for Google Calendar 309,571 users
- 4. Enigmail 133,625 users
- 5. gContactSync 91,163 users
- 6. LookOut (fix version) 82,562 users
- 7. LookOut 71,068 users
- 8. Send Later 70,013 users
- 9. Mail Merge 61,525 users
- 10. MinimizeToTray revived 37,243 users
Featured Extensions See all »
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ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.16,775 users -
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.2,943 users -
The first and only download manager/accelerator built inside Firefox!1,377 users
Up & Coming Extensions See all »
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Quickly highlight some text in Thunderbird message composing windows.8,411 users -
Display birthdays from the Thunderbird addressbooks as events in Lightning.12,185 users -
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.8,912 users -
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".2,636 users -
A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)
As of version 2016.2, Custom keys (using custom JavaScript) work again!4,460 users
Featured Collections See all »
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Featured Add-ons for Seamonkey
None
15 add-ons · 135 followers
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