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Mark All Read Button Requires Restart

Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.

Rated 4 out of 5 stars (37)
2,611 users

Enhanced Desktop Notifications

Provides enhanced new mail desktop notifications using the notify-send library.

Rated 4 out of 5 stars (8)
2,312 users

Signal Spam Requires Restart

Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).

Rated 3 out of 5 stars (50)
10,935 users

Smiley Fixer Requires Restart

Fixes Wingding Smileys in Outlook-generated emails

Rated 4 out of 5 stars (22)
3,963 users

Get Selected Mails Requires Restart

Gets new messages for selected mail accounts.

Rated 5 out of 5 stars (10)
1,133 users

ThunderLink

Clickable, durable links to specific messages inside Thunderbird.

Rated 4 out of 5 stars (18)
564 users

OrderAtt Requires Restart

OrderAtt allows you to re-order the attachments list.

Rated 5 out of 5 stars (4)
150 users

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)
33 users

New Mail Attention Requires Restart

This addon calls attention to main window on new message arrival.

Rated 4 out of 5 stars (48)
976 users

Sender Frequency Requires Restart

Adds a custom column for Sender Frequency to the thread pane

Rated 5 out of 5 stars (4)
190 users

Sent-By-User column Requires Restart

Adds a new column in message list-view, that will display the name of the user who sent the mail (read from a message header).
Manual configuration required. ONLY FOR THUNDERBIRD.

Rated 5 out of 5 stars (1)
7 users

PECindolor Requires Restart

Posta elettronica certificata - PEC

Not yet rated
0 users

QuickFileMail Requires Restart

QuickFileMail is a Thunderbird Add-On that helps to quickly file messages in the right folder.

Rated 4 out of 5 stars (10)
50 users

Linagora ESN OpenPaaS

Quick access to your Linagora ESN network

Not yet rated
0 users

TipTopic Requires Restart

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
0 users

Mnenhy Requires Restart

The primary goal of the Mnenhy project is to make some enhancements to SeaMonkey MailNews/Thunderbird, since there're still plenty of comfort functions missing if compared to Netscape 4.x and other mail and news clients.

Rated 4 out of 5 stars (39)
230 users

TB Properties Requires Restart

Wanna know more about a link or image you see in Thunderbird? Do you really really really wish there was a properties box with the info about objects? Well..

Rated 3 out of 5 stars (6)
1 user

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)
350 users

Address Cleaner Replying Requires Restart

メッセージ返信時に宛先に含まれる表示名を除去します。
A display name is erased when an e-mail screen is opened.

Rated 5 out of 5 stars (2)
117 users

RSS Linkify Subject Requires Restart

Linkify Subject header with Content-Base URL when viewing RSS item to easily open it in...

Rated 3 out of 5 stars (5)
0 users