Top-Rated Extensions

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Hyperactive

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

Rated 4 out of 5 stars (1)
37 users

Linux Growl Requires Restart

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)
83 users

DBus Notifications Requires Restart

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

Rated 4 out of 5 stars (1)
8 users

TweeQuilla Twitter for Thunderbird (Obsolete) Requires Restart

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 Requires Restart

Allows including CSS when composing e-mails.

Rated 4 out of 5 stars (1)
2 users

Navigation Shortcuts Requires Restart

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)
168 users

Directory Contact Tabs Requires Restart

Displays additional information about contacts from LDAP directory servers. The new panels are provided by one or several customized Directory Contact Tabs (Data) add-ons.

Rated 4 out of 5 stars (1)
11 users

Repeat Borders Requires Restart

Adds darker borders to repeat events to distinguish them from single events.

Rated 4 out of 5 stars (1)
512 users

Indian Language Transliterator Requires Restart

Indian Language Transliterator (developed at IIIT Hyderabad, India) is a Mozilla Thunderbird Add-on, developed to enable Thunderbird users to compose and send messages in 10 Regional Indian Languages, using their regular QWERTY keyboard!!!

Rated 4 out of 5 stars (1)
39 users

Mutt Keys Requires Restart

Creates Mutt like key bindings for Thunderbird. Inspired by the mouseless extension.

Rated 4 out of 5 stars (1)
45 users

RtoRe Requires Restart

Erase the R: when reply

Rated 4 out of 5 stars (1)
1 user

Rethread

This addon adds an entry in the right-click menu which re-threads selected messages together (groups selected messages into the same thread)". This is done by _modifying_ messages; the author of the addon declines any responsibility for data loss.

Rated 3 out of 5 stars (5)
93 users

accountex Requires Restart

Export/Import Account Settings.....

Rated 2 out of 5 stars (28)
4,604 users

QFO - Quick Fuck Off Requires Restart

This extension serves the purpose of providing instant access to the FOAAS web service. FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.

Rated 3 out of 5 stars (3)
66 users

PrivaConf

Automatically apply settings recommended by security and privacy experts.

Rated 3 out of 5 stars (3)
879 users

DictsInfo Requires Restart

Search the highlighted text at Dicts.info.

Rated 3 out of 5 stars (4)
56 users

Mailing List Manager Requires Restart

Clean up your Inbox and Organize your Mailing Lists

Rated 2 out of 5 stars (15)
95 users

Report Spam Requires Restart

Report spam is a Thunderbird plugging to report antispam errors. A new button is added to header tool bar in order to signal a message as a false positive (a ham that is tagged as spam) or a false negative (a spam not tagged as spam).

Rated 3 out of 5 stars (10)
2,468 users

Preferential (New GUID) Requires Restart

Advanced preferences manager for Mozilla-based...

Rated 3 out of 5 stars (5)
84 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)
20 users