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Kmaleon Extension

Con esta extensión podrás hacer una copia de tus emails en el programa kmaleon.

Not yet rated
55 users

AWN Unread Count

Displays the number of unread messages in the Thunderbird AWN dock icon.

Not yet rated
55 users

Limit_Offline_Message_Size Button

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)
55 users

Attachment Manager

An extension to manage attachments across multiple emails.

Rated 3 out of 5 stars (5)
55 users

Edit HTML Source

You can now edit the HTML source in the Compose...

Rated 3 out of 5 stars (15)
55 users

Perapera Japanese-French Dictionary File

This is additional dictionary file for use with the Perapera Japanese Pop-up Dictionary add-on.

Rated 1 out of 5 stars (1)
54 users

xultray for gecko 1.9.2

Show xul application (gecko 1.9.2 based) in system tray. supports Firefox 3.6 / 3.7 , Thunderbird 3.1

Rated 5 out of 5 stars (8)
54 users

Copy Reminder List To Clipboard No Restart

Provides button to copy the list of current reminders to the clipboard.

Not yet rated
53 users

Old Addon Manager

Brings back Firefox 3.x Addon Manager

Rated 5 out of 5 stars (1)
53 users

Workspace for Thunderbird

A simple editor for executing snippets of JS. In Thunderbird.

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53 users

Cat Attack Quick Button

Easily visit the site for The Cat Attack Fishing Tournament.

Not yet rated
53 users

One Click Search

One-click search similar to The Bat! program.

Rated 4 out of 5 stars (19)
53 users

Seturgent

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)
52 users

Mark Read On Reply

A simple extension to mark messages read after you click a reply menu or button (or Ctrl+R)

Rated 3 out of 5 stars (3)
52 users

New Mail Icon

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

Rated 4 out of 5 stars (37)
52 users

Sensitivity Header

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.

Rated 4 out of 5 stars (1)
51 users

Run Filters on Folder button

A 'Run Filters on Folder' toolbar button. Based on http://developer.mozilla.org/en/docs/Custom_Toolbar_But...

Rated 4 out of 5 stars (4)
51 users

RemindMeBot-Reddit No Restart

All the great features of /u/RemindMeBot in a quick and easy to use extension!

Not yet rated
50 users

Filter SubFolders

Applies mail filters to sub folders of an IMAP account, not just the Inbox

Rated 5 out of 5 stars (3)
50 users

Bugzilla Helper

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

Rated 4 out of 5 stars (4)
49 users