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Open Google Calendar Requires Restart

Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)

Rated 4 out of 5 stars (7)
85 users
Added Nov. 23, 2018

BorderColors D Requires Restart

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 5 out of 5 stars (2)
27 users
Added Nov. 17, 2018

Provider for Exchange ActiveSync

Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync

Rated 5 out of 5 stars (1)
5,450 users
Added Nov. 5, 2018

Open With Requires Restart

Quickly test out your web pages in Chrome, Edge, Safari, or Opera. Open With opens the current page in your other browsers with just two clicks. Donate here: https://darktrojan.github.io/donate.html?openwith

Not yet rated
1,121 users
Added Oct. 30, 2018

Owl for Exchange Compatible with Firefox 57+

Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird

Not yet rated
28 users
Added Oct. 20, 2018

ConfirmBeforeDelete Requires Restart

Ask a confirm before to delete some items

Not yet rated
98 users
Added Oct. 14, 2018

Advanced Unread Folders Continued Requires Restart

Adds a folder view showing unread folders, including their hierarchy.

An actively maintained version of Philipp Kewisch's add-on "Advanced Unread Folders".

Not yet rated
31 users
Added Oct. 14, 2018

Dictionary Search Requires Restart

A dictionary search tool, currently restricted to using dict.leo.org. This is just a personal learning little project, not endorsed by Leo GmbH. Sources at https://gitlab.com/apiraino/dict_search

Not yet rated
63 users
Added Sept. 30, 2018

Hide Caption Titlebar Plus ⁴

⦁ NEW! Floating Toolbars & Menus with autohide!
⦁ "Maximize your screen content space by adjusting window TitleBar, Tabs, Toolbars, etc!".
⦁ Multiple Configurable Actions for both screen-corner buttons: Application/'Home' & Close buttons!

Not yet rated
77 users
Added Sept. 29, 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
2,513 users
Added Sept. 23, 2018

Seturgent Requires Restart

Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.

Rated 5 out of 5 stars (2)
32 users
Added Aug. 21, 2018

EasyRight2Left Requires Restart

Change direction from Left to Right and Right to Left for Persian, Arabic, Hebrew etc. This Thunderbird extension is based on ComposeRTF available in https://addons.thunderbird.net/en-US/thunderbird/addon/composertf/

Not yet rated
50 users
Added Aug. 21, 2018

Provider for CalDAV & CardDAV

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".

Rated 5 out of 5 stars (2)
2,962 users
Added Aug. 20, 2018

Mailing list filter Requires Restart

Mail filter search term using mailing lists (and not whole addressbooks).

Not yet rated
53 users
Added Aug. 2, 2018

YNote Requires Restart

Make some text notable on the each folder in folder's property dialog box.

Rated 5 out of 5 stars (1)
13 users
Added July 31, 2018

Thunderbird Addons Test Compatible with Firefox 57+

Change prefs so that you use addons.thunderbird.net as the provider for add-on downloads and updates.

Not yet rated
30 users
Added July 16, 2018

Events spanning multiple days Requires Restart

Displays multiple day events as a "spanning" event, without borders of the day-elements inside the month- and multiweek-view.

Rated 2 out of 5 stars (2)
5 users
Added July 7, 2018

MISP-SES Compatible with Firefox 57+

One-click submission of suspicious emails to MISP servers.

Not yet rated
0 users
Added July 6, 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
14 users
Added July 4, 2018

Unmangle Outlook Safelinks Requires Restart

Users of Office 365 Advanced Threat Protection wil change
all url's in emails to redirect them to an Microsoft filter before opening.

This plugin wil change the url back to the original value.

Not yet rated
93 users
Added June 28, 2018