Extensions by Weekly Downloads

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EzStylist

Allows including CSS when composing e-mails.

Rated 4 out of 5 stars (1)
2 weekly downloads

Last Message

Navigate the folder to the last message in the moment the folder is opened.

Rated 5 out of 5 stars (6)
2 weekly downloads

SRB Lightning

An integrated calendar for Thunderbird build in purpose testing Serbian translation. You can download version: 1.0b2, 1.0b1 and 0.11 Inverse Edition which work with version 3.1, 3.0 and 2.0 Thunderbird. Windows, Linux and Mac are all supported.

Not yet rated
2 weekly downloads

Envelopes

Shows the envelopes in message list

Rated 5 out of 5 stars (2)
2 weekly downloads

zFiler mail

Automatic conversion from 'plain' attachments to zFiler links, when message is being sent.

Not yet rated
2 weekly downloads

ZenbuShiitake

Rated 5 out of 5 stars (1)
2 weekly downloads

CorrectLink

Do you have a trouble that Thunderbird have made a link with non-ASCII characters after URL in text/plain message ?
CorrectLink solve this issue.

Not yet rated
2 weekly downloads

Bugzilla Helper

Quickly reply to your bugmail on bugzilla.mozilla.org without leaving Thunderbird.

Rated 4 out of 5 stars (4)
2 weekly downloads

Yelp Search Toolbar

YELP SEARCH TOOLBAR, NOW IT MORE EASY TO REVIEW & TALK ABOUT WHAT'S GREAT - AND NOT SO GREAT - IN YOUR AREA

Not yet rated
2 weekly downloads

Mailopen

Open an email file from the commandline

Not yet rated
2 weekly downloads

Don't Forget CC

添付ファイルを送信する際、指定されたアドレスがCCに含まれているかを検査します

Not yet rated
2 weekly downloads

Check Recipients

Checks the existence of email addresses of all recipients in Compose message window from local address books and LDAP directories.

Rated 1 out of 5 stars (1)
2 weekly downloads

A Better S/MIME GUI

Provides a better S/MIME GUI for Thunderbird.

Rated 3 out of 5 stars (2)
2 weekly downloads

JSW:O Alert

Receive alerts for "Jet Set Willy: Online" hosted games

Rated 5 out of 5 stars (2)
2 weekly downloads

ThreadBubble

Make Thunderbird resort threads by date when a new message arrives. *** This add-on is no longer required for new versions of Thunderbird! ***

Rated 4 out of 5 stars (22)
2 weekly downloads

TB Custom Toolbar

Adds a button to make new toolbars in Thunderbird

Rated 4 out of 5 stars (4)
2 weekly downloads

Colored Diffs

Color diffs sent by SVN/CVS/GIT/Mercurial...

Rated 4 out of 5 stars (20)
2 weekly downloads

BirdFon

BirdFon, a lightweight and elegant phone plugin, makes Thunderbird a speaking friend in your online life. With BirdFon you can call your friends in a way similar to the SkypeOut service. The major BirdFon advantage is that it allows you to make...

Rated 3 out of 5 stars (4)
2 weekly downloads

Russian hot keys bugfix

Makes hot keys work with Russian, Ukrainian and Hebrew keyboard layout in Linux and *BSD (needed only for GTK2 builds).

Rated 5 out of 5 stars (6)
2 weekly downloads

Scroll To Key

When moving from Outlook, I was missing the function to scroll to a message in the active folder by entering a letter or short strings. I am also still missing the possibility to first sort descending by date and then keep that sort order when...

Rated 3 out of 5 stars (11)
2 weekly downloads