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TipTopic

While you're surfing your favorite pages/topics on the web TipTopic informs you on who else is browsing the same pages/topics and is interested in/ available for discussion. Enjoy live dialog with your favorite topic followers while surfing the web!

Not yet rated
4 users

Titlebar Tabs Cleaner

A toolbar button to remove the tabs from the Windows titlebar back to their original place. Provides an easy way to undo the changes introduced by Thunderbird 17 or switch between the two modes effortlessly.

Rated 5 out of 5 stars (7)
448 users

TitleCase For Thunderbird

Transform strings into Title Case, Proper Case, Start Case, Camel Case, Upper Case, and Lower Case. Highlight your text and only changing what you highlighted.

Rated 4 out of 5 stars (10)
488 users

TMS Bulk SMS

Send SMS text messages directly from Thunderbird, without using a tethered phone! Integrates with Thunderbird's Address Book and allows SMS mailing lists for quick and easy bulk or individual messaging. Uses Flash Media Group's SMS service.

Not yet rated
218 users

Today's messages

Show only your messages received during the current day, the last 7 days or the last 30 days thanks to 3 buttons.You may use pin button to keep filters applied when switching to your other inbox/folders.

Rated 4 out of 5 stars (16)
2,672 users

Todoist for Thunderbird

Todoist is a leading online task manager and we manage millions of todos! Todoist for Thunderbird makes it super easy to manage your todos and email directly from Thunderbird.

Watch a short video:
https://www.youtube.com/watch?v=VixEQJb5Qc0

Rated 3 out of 5 stars (16)
6,435 users

Toggle Development Profile Prefs No Restart

Toggles Development Profile Preferences On When Enabled And Off When Disabled.

Not yet rated
39 users

Toggle Folderpane View

This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.

Rated 5 out of 5 stars (1)
173 users

Toggle Headers

Allows toggling the message header setting through a keyboard shortcut.

Rated 4 out of 5 stars (4)
1,010 users

Toggle Proxy

Toggle Proxy adds a status bar/toolbar icon to toggle between two proxy settings which can be set in the preferences or toggle via a shortcut key (alt + x) if you don't use the add-on bar.

Rated 4 out of 5 stars (41)
11,278 users

Toggle Quotes

A toolbar button and a shortcut key for the QuoteCollapse extension.

Not yet rated
19 users

Toggle Word Wrap

Toggle word wrapping and PRE element wrapping in the message composition and HTML display windows, respectively.

Rated 4 out of 5 stars (38)
6,665 users

ToggleFullHeaders

Allows you to customise the message panel buttons to add a "Toggle Headers" button that will switch between showing and hiding the full headers.

Not yet rated
84 users

ToggleReplied

Enables toggling of Replied/Forwarded states of messages.

Rated 5 out of 5 stars (6)
690 users

ToneQuilla

Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.

Rated 4 out of 5 stars (16)
2,377 users

Too Many Recipients

Contourne la limite du nombre de destinataires/e-mail des serveurs SMTP.
Gets around the limit on the number of recipients/e-mail of SMTP servers.
Evita la limitación de número de destinatarios/e-mail del servidor SMTP.

Rated 4 out of 5 stars (14)
1,488 users

Toodledo Sync

ToodledoSync is an extension that I've done to fill my need of a GTD system using Thunderbird and Toodledo. It allows to easily convert mails to toodledo tasks, addind all usefull fields to the mail compose window.

Rated 4 out of 5 stars (1)
658 users

Toolbar Buttons No Restart

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Rated 4 out of 5 stars (316)
131,477 users

Tools > Options… for Linux No Restart

Moves Edit > Preferences to Tools > Options…

Rated 5 out of 5 stars (7)
361 users

TorBirdy

This extension configures Thunderbird to make connections over the Tor anonymity network.

Rated 5 out of 5 stars (5)
2,169 users