Up & Coming Extensions
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Message Filters Button Requires Restart
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Message" from Tools menu.
Custom Geometry Requires Restart
Resizes and positions the Firefox window according to your settings.
Audio Preview
Adds a preview for audio files (wav, ..) to the message view, so it can be played directly.
Preslovar Requires Restart
Ћирилично/латинично пресловљавање, виртуална ћирилична тастатура - Serbian Cyrillic/Latin transliteration and Virtual Cyrillic keyboard
TorBirdy Requires Restart
This extension configures Thunderbird to make connections over the Tor anonymity network.
ThunderCal Requires Restart
ThunderCal simply gives you a toolbar button that you can use to run Google Calendar inside Thunderbird. Inspired by the ThunderWave add-on.
BirdFon Requires Restart
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...
Single Domain
Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.
Gnome Open Requires Restart
Open your mail attachments directly with your default gnome application.
ONLY for GNOME USERS!
Is Gnome Open still needed? Please read "Developer Comments" below.
Copiar Assunto Requires Restart
Adiciona um botão para copiar o Assunto do email selecionado para a área de transferência
Add a button to copy the Subject line of the selected email to the clipboard
Address book synchronizer between Memotoo.com and Thunderbird Requires Restart
Synchronize your address book between Mozilla Thunderbird and Memotoo.com !...
Attachment Saver
Saves all attachments from multiple selected emails as a single zip file.
It provides an extra option in your context menu when selecting emails.
Auto Address Cleaner Requires Restart
Removes comment, display name automatically from addresses before sending mail.
Change Referer Button Requires Restart
Button in the toolbar/status bar to change referer value.
To create your own collections, you must have a Mozilla Add-ons account.