Extensions by Weekly Downloads

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SS Ancestry Quick Button Requires Restart

A quick button link to the website, ssancestry.comyr.com/.

Not yet rated
6 weekly downloads

BOINC Stats 2 Requires Restart

Displays your Total and Recent Average Credits for BOINC distributed computing projects in the status bar.

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

Batch Copy Requires Restart

Batch Copy creates a local copy of your IMAP account, copies all messages and maintains folder structure. Batch Copy can run incrementally to copy only new messages.

Rated 4 out of 5 stars (9)
6 weekly downloads

Soapy Requires Restart

Bypasses DNS-based censorship

NOTE: This was created as a SOPA protest in 2012. This does not work anymore for most sites. Use Tor instead.

Not yet rated
6 weekly downloads

Mark All Read Button Postbox Requires Restart

Adds a toolbar button to mark all emails as read.

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

Edit Custom Size Image Requires Restart

Fixes a bug in SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always reset the image to actual size.

Not yet rated
6 weekly downloads

Limit_Offline_Message_Size Button Requires Restart

Limit the size of a message to download with a single click of the button for slow (and/or expensive) network connection.
Quick access to Tools->Account Settings->Disc Space->"To save disk space, do not download: Messages larger than XXkB"

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

Mailsleuth Requires Restart

Mailsleuth is a add-on for Thunderbird that provides you a full email header analysis of any email in your Inbox. This add-on is designed to provide a report on the email headers on any email you choose from your inbox. MAJOR updates for Feb 2013!

Rated 3 out of 5 stars (7)
6 weekly downloads

JS Deminifier

Simple JavaScript deminifier

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

GQueues Tab Requires Restart

This extension uses the new special tab features of Thunderbird 3 to open the GQueues to-do list manager inside a Thunderbird tab.

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

Last Message Requires Restart

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

Rated 4 out of 5 stars (6)
6 weekly downloads

MuteThread Requires Restart

For a long time, Thunderbird has supported ignoring threads in newsgroups. This is a prototype that explores bringing that functionality to email.

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

Nepali Patro Requires Restart

Calendar for Nepalese People

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

TheRealURL Requires Restart

Get URL information: expand short URLs, get title and content type information without visiting the site.

UPDATE, AUG 2013: THIS EXTENSION IS NO LONGER SUPPORTED. The source is open - if you wish to take on the development, you're welcome.

Rated 3 out of 5 stars (7)
6 weekly downloads

Mailopen Requires Restart

Open an email file from the commandline

Not yet rated
6 weekly downloads

Zenbu-Robot Requires Restart

This is a Joke Add-on.
Externals of Firefox and Thunderbird are changed.

Not yet rated
6 weekly downloads

New Mail Icon Requires Restart

Displays an icon in the system tray when new mail arrives.

Rated 4 out of 5 stars (37)
6 weekly downloads

A Better S/MIME GUI Requires Restart

Provides a better S/MIME GUI for Thunderbird.

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

Mutt Keys Requires Restart

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

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

Equations Requires Restart

Insert inline LaTeX equations into e-mail messages.

Rated 5 out of 5 stars (22)
6 weekly downloads