Top-Rated Extensions

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dwEasySubject

When you enter a destination, you are editing incomplete address, mailer help you compensate last word by use auto-complete. However, Subject is not used auto-complete. it is enter easy by auto-complete subject line choice sent in the past.

Rated 3 out of 5 stars (3)
309 users

Mail Size Report

Report current size of mail with attachment files in status bar

Rated 3 out of 5 stars (3)
58 users

Newsgroup Links

Displays a link to the Google groups url of a newsgroup post, and an option to copy it.

Rated 3 out of 5 stars (3)
41 users

UMTools

Add new options to TB's Unsent Messages behavior.. ...

Rated 3 out of 5 stars (3)
6 users

Date on Thunderbird

在thunderbird statusbar显示年月日

Rated 4 out of 5 stars (1)
20 users

Addressbooks Default Search No Restart

Provides ability to set default search query for address books.

Rated 4 out of 5 stars (1)
80 users

Highlight External Addresses

This extension helps to warn the user when composing a message to a mixed group of people both in and out of the sender's organization. External addresses are highlighted in orange as a reminder.

Rated 4 out of 5 stars (1)
109 users

Stylish Tools

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (1)
1,114 users

ALL To CC BCC

送信先アドレスのすべてをTo、CC、BCCに変更するボタンです。
メール作成画面の、件名の下に追加されます。

Rated 4 out of 5 stars (1)
872 users

Hyperactive No Restart

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

Rated 4 out of 5 stars (1)
21 users

GTG Task Button

Easily transform a page or an e-mail into a GTG task with a single click.

Rated 4 out of 5 stars (1)
100 users

Linux Growl

Sends linux notifications using notify-send when a new email or a RSS feed is received.

Required:
sudo apt-get install notify-osd

Rated 4 out of 5 stars (1)
119 users

Toodledo Sync

ToodledoSync is an extension that I've done to fill my need of a GTD system using Thunderbird and Toodledo. It allows to easily convert mails to toodledo tasks, addind all usefull fields to the mail compose window.

Rated 4 out of 5 stars (1)
660 users

Old-style smilies

Reverts the smilies in Thunderbird to those of version 2.

Rated 4 out of 5 stars (1)
2,083 users

DBus Notifications

Sends DBus notifications when events are detected (a new message is received).

Rated 4 out of 5 stars (1)
12 users

TweeQuilla Twitter for Thunderbird (Obsolete)

Twitter for Thunderbird (Bundle). Provides twitter statuses in the format of email messages, and allows updating Twitter status from Thunderbird.This addon packages the TweeQuilla-app extension with the required "New Account Types" extension.

Rated 4 out of 5 stars (1)
1 user

EzStylist

Allows including CSS when composing e-mails.

Rated 4 out of 5 stars (1)
3 users

Navigation Shortcuts

This extension adds three shortcuts to Thunderbird to navigate more easily.

These shortcuts are: Focus message pane, go one folder up and go one folder down

Rated 4 out of 5 stars (1)
154 users

ThunderBridge

P2P e-mail delivery.

Rated 4 out of 5 stars (1)
306 users

Search IP

This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...

Rated 4 out of 5 stars (1)
1,031 users