SeaMonkey FTW

by AbandonInPlace

37 Add-ons in this Collection

Enigmail by Patrick Brunschwig

Works with Thunderbird 78.0 - 78.*
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Rated 4 out of 5 stars 260 reviews

3,894 users

Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.

FlashGot Mass Downloader by Giorgio Maone

Works with Thunderbird 14.0 - 52.0
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Rated 5 out of 5 stars 893 reviews

421 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.

SQLite Manager by lazierthanthou

Works with Thunderbird 22.0 - 39.0
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Rated 4 out of 5 stars 354 reviews

83 users

Manage any SQLite database on your computer.

Element Hiding Helper for Adblock Plus by Felix Dahlke

Works with Thunderbird 38.0 - 57.0
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Rated 5 out of 5 stars 473 reviews

256 users

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

HttpFox by Martin Theimer

Works with Thunderbird
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Rated 4 out of 5 stars 217 reviews

18 users

An HTTP analyzer addon for Firefox

Menu Wizard by Oleksandr

Works with Thunderbird 17.0 - 64.*
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Rated 5 out of 5 stars 251 reviews

230 users

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Works with Thunderbird
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Rated 5 out of 5 stars 359 reviews

40 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Disable Add-on Compatibility Checks by Kris Maglione

Works with Thunderbird 3.3a1 - 31.*
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Rated 4 out of 5 stars 120 reviews

172 users

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

MR Tech Disable XPI Install Delay by mrtech

Works with Thunderbird 1.0 - 3.0a1
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Rated 5 out of 5 stars 16 reviews

0 users

Disables default delay when installing...

Scriptish by Erik Vold, Nils Maier, others

Works with Thunderbird
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Rated 4 out of 5 stars 109 reviews

11 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

Element Inspector by zbinlin

Works with Thunderbird 5.0 - 40.0a1
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Rated 5 out of 5 stars 36 reviews

8 users

In the DOM Inspector,quickly navigate to the any elements

Leet Key by Roman Mironenko

Works with Thunderbird 1.0+ - 3.0b2pre
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Rated 4 out of 5 stars 52 reviews

6 users

Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...

Customizations for Adblock Plus by eyeo GmbH

Works with Thunderbird 16.0 - 57.0
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Rated 5 out of 5 stars 15 reviews

70 users

This extension provides various customization options for the Adblock Plus user interface.

Link Properties Plus by Infocatcher

Works with Thunderbird 3.1 - 55.0a1
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Rated 5 out of 5 stars 17 reviews

13 users

Provides extended link properties: size of linked file, last modified time, etc.

CustomizeGoogle by CustomizeGoogle

Download Now

Experimental
Works with Thunderbird
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Rated 4 out of 5 stars 370 reviews

0 users

CustomizeGoogle enhances Google by adding information and removing unwanted information.
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