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LookOut+ Requires Restart

LookOut is a plugin which allows to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

This version is a fix for Seamonkey 2.*.

Rated 4 out of 5 stars (5)
51 users

GmailOutOfOffice Requires Restart

Out of Office for Gmail

This add-on allows you to set an out of office auto-responder in your gmail account. It adds a button in the toolbar customization list.

Rated 3 out of 5 stars (2)
2 users

LCD Clock Requires Restart

displays a LCD Clock in your Toolbar

Rated 4 out of 5 stars (26)
5 users

LDAP Contact Photo Requires Restart

Show contact photo stored in LDAP directory

Rated 5 out of 5 stars (7)
61 users

No Ads!

NO ADS on your favorite Web-sites!
Ваши любимые сайты без рекламы!

Rated 2 out of 5 stars (4)
3 users

tzpush Requires Restart

Z-Sync to Thunderbird Addressbook
Will sync Thunderbird address book to Zentyal, Zarafa, Horde and outlook.com/hotmail.

Rated 4 out of 5 stars (20)
9 users

AutoProxyMod Requires Restart

Based on original AutoProxy!

Rated 5 out of 5 stars (10)
1 user

Silent Block

Minimum and fast URL blocker.

Rated 4 out of 5 stars (31)
83 users

Telefonkonferenz.de-Vorlagen

Durch das Plug-in werden unsere praktischen E-Mail-Vorlagen Ihrer Thunderbird-Symbolleiste hinzugefügt

Not yet rated
0 users

Customizations for Adblock Plus

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

Rated 5 out of 5 stars (15)
88 users

Stego Block Requires Restart

Embeds a small secondary, encrypted message in an email, known as a Stego Block.

Rated 4 out of 5 stars (1)
0 users

Launchy Requires Restart

Launchy will enable you to open links and mailto's with external applications...

Rated 3 out of 5 stars (87)
12 users

DL for Thunderbird Requires Restart

Allows to convert large attachments to links automatically without 3rd party providers.

Rated 5 out of 5 stars (7)
68 users

ThunderBirthDay Requires Restart

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Rated 4 out of 5 stars (97)
213 users

CuteButtons

Adds icons to buttons and/or menus.

Rated 4 out of 5 stars (95)
64 users

SoundPlus Requires Restart

SoundPlus customizes the sound that is played when a new message arrives for a particular contact in the address book, similar to mobile phones. There is also a variation that is played when a message arrives and it is a continuation of a thread.

Rated 3 out of 5 stars (15)
6 users

TreeStat Requires Restart

Display the open/closed status of Mozilla's trees

Not yet rated
0 users

Use Bcc Instead Requires Restart

Sorry but this addon is no longer supported in TB 60. See below.
Who among us has not made the mistake of sending a 'broadcast' email to a large number of recipients without using BCC; thereby revealing everyone's email addresses to all?

Rated 5 out of 5 stars (31)
55 users

EmailPicky 4 Requires Restart

Grab email addresses from emails from any selected Email Folder and add them to your contacts. (Email Crawler / Email ID Grabber / Bounced email collector) - Thunderbird Plugin
Note: It doesn't create duplicates, but shows as 'xxx messages added'.

Rated 3 out of 5 stars (15)
37 users

Bamboo Feed Reader Requires Restart

Feed reader | RSS - ATOM - OPML

This extension has NOT been rewritten with the new WebExtensions API (Firefox Quantum).
No future version is planned by the original developer.

Bamboo is still running with Palemoon.

Rated 4 out of 5 stars (259)
6 users