Most Popular Extensions
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GuifiProxy Infocentre Santa Bàrbara Requires Restart
Facilitates the use of proxies allows switching between them with two clicks, import i export lists, edit, add and delete manually, automatic authentication and exception address
Boomerang Requires Restart
Boomerang E-Mail is an Add-on for the Thunderbird E-Mail-Client and is based on the Boomerang e-Mail algorithm (patent pending).
It provides functionality to send a certain e-mail (including attachments) to several recipients one after the other and...
Padma Requires Restart
Padma is a technology for transforming Indic text between public and proprietary formats. The technology currently supports Telugu, Malayalam, Tamil, Devanagari (including Marathi), Gujarati, Bengali, and Gurmukhi...
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...".
NuevaSync Push Email Synchronization Requires Restart
NuevaSync provides push sync services for email and more for iPhone, Android, and other smartphones. This add-on displays real-time sync status in the Thunderbird status bar, and offers easy NuevaSync account setup using your Thunderbird settings.
traduku Requires Restart
Translate text from English and other languages into Esperanto.
Traduku tekston de la angla kaj aliaj lingvoj al Esperanto.
Uses/uzas https://lingvo.org/traduku (try as side bar/provu kiel flankfenestro).
Reply In Group Requires Restart
Adds "Reply In Group" and "Reply to sender" toolbar buttons to the main window. So it's easier to reply in Usenet...
Send Format LDAP Requires Restart
Gets supported email formats (text/HTML) by the recipients from LDAP directories.
TB QuickMove Extension Requires Restart
You can now move (or copy ) messages to common folders quickly...
MDN Extended Requires Restart
Allows the recipient of a message to send a return receipt (MDN: Message Disposition Notification) on message deletion. This addon is usefull for better experience with Notification Viewer addon.
SUNBIRD Button-**32** bit version-for Firefox 4.* and Thunderbird 3.* Requires Restart
A button to call up the Sunbird Calendar from Firefox and Thunderbird toolbars. This version for 32-bit operating system!
Music World Anonymous Quick Button Requires Restart
A quick button link to MusicWorldAnonymous.com. Music World Anonymous is a site about helping bands find fans for free!
WebMyStyles
Style the web your way- provides a GUI that allow web users to change the look-and-feel of arbitrary web pages to something more pleasant and accessible.
Easy Get Mail Button Requires Restart
Makes the 'Get new messages' button context-sensitive. Select an account root folder to get messages for that account, any other folder to get messages for all...
Splash! (Compatibility Update) Requires Restart
Adds a splash screen. Supported in Firefox, Flock, Thunderbird, Sunbird, eMusic Remote, Songbird and Sunbird.
S/MIME Security for Multiple Identities Requires Restart
Adds S/MIME Security configuration to the multiple identities dialog.
Meanwhile this feater has been integrated into Thunderbird 3
SUNBIRD Calendar button- **64 bit** version for Firefox 4.* and Thunderbird 3.* Requires Restart
A button to call up the Sunbird Calendar from Firefox and Thunderbird toolbars . 64 BIT operating system version!
To create your own collections, you must have a Mozilla Add-ons account.