Miscellaneous

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Disable Add-on Compatibility Checks (Version 40+)

Reinstates the extensions.checkCompatibility preference.

Rated 4 out of 5 stars (3)
29,617 users

Just Restart! Requires Restart

Restart application with Ctrl+Shift+Z.

Rated 5 out of 5 stars (4)
1,315 users

Timestamp Requires Restart

Inserts the current date/time into a message or an input field in the browser.

Visit my Timestamp site for recent versions and news.

Rated 4 out of 5 stars (20)
521 users

Edit HTML Source Requires Restart

You can now edit the HTML source in the Compose...

Rated 3 out of 5 stars (15)
54 users

Fast Mail Redirect Requires Restart

Allows the fast redirection of emails...

Rated 5 out of 5 stars (5)
207 users

Orb VideoMail Requires Restart

Toolbar button for creating videomails OF ANY LENGTH right from within Thunderbird. This is videomail freed from attachments!

Not yet rated
3 users

World Weather+ Requires Restart

Displays local weather information from around the world...

Rated 4 out of 5 stars (36)
465 users

about:kittens Requires Restart

Baby cats and kittens in the about box...

Rated 5 out of 5 stars (6)
19 users

Disable Folder Drag Button Requires Restart

Add Disable-Folder-Drag button.

Rated 5 out of 5 stars (4)
1 user

Colorify Unread Watched NNTP Requires Restart

Colorizes names of newsgroups that have watched threads with unread messages.

Rated 1 out of 5 stars (2)
1 user

Status-Bar Custom Buttons Requires Restart

Create your own status-bar buttons.

Rated 4 out of 5 stars (9)
43 users

Splash! (Compatible version of Firefox 4) Requires Restart

Adds a splash screen. Supported in Firefox, Flock, Thunderbird, Sunbird, eMusic Remote, Songbird and Sunbird.

Rated 1 out of 5 stars (2)
10 users

SendWithoutSubject Requires Restart

Send without subject and without confirmation alert

Rated 3 out of 5 stars (11)
265 users

Classicish Add-on Manager Requires Restart

A restyling of the Add-on Manager to a more native appearance.

Rated 4 out of 5 stars (18)
604 users

TMS Bulk SMS Requires Restart

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
184 users

Send and File Requires Restart

Allows to file outgoing messages in folder you prefer

Rated 5 out of 5 stars (10)
529 users

JavaScript Object Examiner Requires Restart

Display JavaScript object methods and properties for any available scope.

Not yet rated
735 users

Extensão para Controle de Eventos Requires Restart

Esta extensão para Thunderbird tem como objetivo facilitar a inserção de novos eventos vinculados a um e-mail.

Rated 1 out of 5 stars (1)
12 users

Unread Count Requires Restart

Maintains a file in the profile root directory with counts for unread messages per account. Useful for display in generic status bar, e.g.: taffybar, xmobar, dzen2, etc

Rated 5 out of 5 stars (2)
125 users

Dooth Requires Restart

Dooth passphrase decryption

Rated 4 out of 5 stars (1)
2 users