Extensions by Weekly Downloads
This extension will remember the last dictionary used in the Mail Compose window and use it when composing new messages.
Contact DnD Requires Restart
Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.
Enable afp protocol (afp://)
Kardia CRM Add-on for Thunderbird Requires Restart
(beta) Integrates with the Kardia CRM system, to provide information about the people in the Kardia CRM database directly via Thunderbird.
NOTE: This add-on requires a Kardia CRM server (see description for more information).
SendToSecondEmail Requires Restart
This Extension lets you send Mails to both, first and second email address...
Force Authentication at Startup. Requires Restart
Always ask password and hide UI at the startup.
中止ボタンがサーニャに見えて困る Requires Restart
P18X Protocol Requires Restart
Send SMS direct to SMSC by the standalone mobile broadband USB-based modems of the brand ZTE with P18X Web UI.
Wepware - Capture and Share Live Content Requires Restart
Grab live snapshots of anything on the internet, organize your collected content into folders and share with friends through SNS.
Displays latest ksbtehchies News in a popup widget
Get all the Latest ksbtehchies News headline with a single click.
Opens a popup widget with the latest news headlines.
Dooth Requires Restart
Dooth passphrase decryption
Date on Thunderbird Requires Restart
CodeHighlight Requires Restart
highlight code in email.
ToggleFullHeaders Requires Restart
Allows you to customise the message panel buttons to add a "Toggle Headers" button that will switch between showing and hiding the full headers.
This addon provides options for starting the developer tools server. It is especially valuable in XULRunner Apps where there is no UI to start the server.
NOTE: This addon is not mandatory in Firefox or Thunderbird, as support is built in.
Bitmask Thunderbird Extension Requires Restart
After installing the extension, do the following:
1. Make sure that Bitmask is running and you are logged in.
2. In Thunderbird, click the main menu, then "Preferences" - "Account Settings".
3. Click "Account Actions" - "New Bitmask Account...".
Search in all your search engines at the same time
Smart Quotes Requires Restart
Enables “Smart” Quotes for Thunderbird Email
MiniWebView Sidebar Requires Restart
Sidebar that shows a single web page. This allows Thunderbird to be augmented with any user-supplied or third-party web page. The screenshot shows an example - I use my own custom web page to present my Google Calendar in my preferred format.