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List Addons in Windows' Programs

List addons in Windows' "Add or Remove Programs".

Not yet rated
1,805 users
Updated Oct. 20, 2018

Year view Requires Restart

Year view for calendar.

Rated 4 out of 5 stars (50)
3,031 users
Updated Oct. 13, 2018

Tiny JavaScript Debugger

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

Rated 5 out of 5 stars (8)
501 users
Updated Oct. 5, 2018

URL Link Requires Restart

URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.

Not yet rated
2,484 users
Updated Sept. 24, 2018

Calendar Tweaks Requires Restart

Allows several tweaks to the Thunderbird/Lightning calendar user interface including new selection styles and repeating event icons. Mimics the colors and styles found in MS Outlook.

Rated 4 out of 5 stars (57)
14,456 users
Updated Sept. 23, 2018

DOM Inspector Plus! [dm] Requires Restart

Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.

Rated 4 out of 5 stars (6)
198 users
Updated Sept. 23, 2018

Auto Compress File Requires Restart

Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).

Rated 5 out of 5 stars (18)
6,158 users
Updated Aug. 31, 2018

Display Quota Requires Restart

This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...

Rated 4 out of 5 stars (33)
32,749 users
Updated Aug. 31, 2018

Thunderbird Integration for JIRA Requires Restart

This is a plugin for Thunderbird 3.3+ which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.
It is not yet ready to be used in Thunderbird 60.x.

Rated 4 out of 5 stars (12)
331 users
Updated Aug. 31, 2018

Hyperactive

Scans hyperlinks in composed messages and alerts if one of the hyperlinks is broken.

Rated 4 out of 5 stars (1)
31 users
Updated Aug. 22, 2018

Gmail Buttons Requires Restart

Adds message-specific buttons to Thuderbird that are consistent with the way Gmail handles Trash and Spam.

No longer works with OAUTH :-(

Rated 4 out of 5 stars (8)
535 users
Updated Aug. 15, 2018

LightningButton Requires Restart

Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.

Rated 4 out of 5 stars (16)
16,580 users
Updated Aug. 8, 2018

EditEmailSubject-hotfix Requires Restart

Hotfix for EditEmailSubject version 2.1.0 by jisse44
https://addons.mozilla.org/de/thunderbird/addon/edit-email-subject/

- fixed: does not overwrite Message-ID and references with undefined

Not yet rated
10 users
Updated Aug. 1, 2018

Classic Toolbar Buttons [Tb24-58] (discontinued)

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7 small view, Fx4-12 large view & Tb5-14) for current Firefox, Thunderbird and Seamonkey versions.

Rated 5 out of 5 stars (145)
3,290 users
Updated July 6, 2018

ProfileSwitcher Requires Restart

It adds some options to launch easily other profiles and the Profile Manager.

Rated 4 out of 5 stars (112)
7,700 users
Updated May 16, 2018

PrintingTools Requires Restart

Adds some options to print messages and addressbooks

Rated 5 out of 5 stars (27)
33,166 users
Updated May 16, 2018

ThunderStats! Your Thunderbird Statistics! Requires Restart

Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!

Rated 3 out of 5 stars (7)
1,376 users
Updated April 16, 2018

Rise of the Tools

Moves the toolbar back above the tabbar.

Rated 5 out of 5 stars (57)
2,747 users
Updated April 3, 2018

FileRun for Filelink Requires Restart

Add FileRun support to Thunderbird's Filelink feature.

Rated 3 out of 5 stars (2)
49 users
Updated March 26, 2018

IMAP Quota (Free Space) Requires Restart

This Thunderbird addon lets you customize the IMAP quota statusbar panel.

Rated 5 out of 5 stars (3)
3,238 users
Updated March 16, 2018