Add-ons
Top-Rated Extensions
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Show Outlook Appointments (vcal / ics)
Requires Restart
An extension to show embedded Outlook calendar (vcal / ics) parts.
Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.
Do Not Save Password
Highlight External Addresses
Requires Restart
This extension helps to warn the user when composing a message to a mixed group of people both in and out of the sender's organization. External addresses are highlighted in orange as a reminder.
SmartFilters
Requires Restart
Tired of writing a lot of filters? Install SmartFilters now to organise your mailbox automatically. It can sort out your mailing lists and robot emails.
hitsniffer visitors monitoring
Requires Restart
hitsniffer analytics is a powerful and simple to use real time visitors activity monitoring tool for your website and blog. allows you to monitor your website visitors live and get extreme useful stats data.
SecondOpinion
Requires Restart
This extension implements a convenient way to check and upload attachments against VirusTotal.com
PasteIP
Requires Restart
Easy pasting of your IP address or User-Agent in a textbox. Comes in handy when posting on forums, etc.
backupMail
TB Menubar Unread Notifier
Requires Restart
Output the number of unread messages in all inboxes into the temporal file /tmp/testUnread. As a result, this output file can serve as an input for other applications to read and show notification either on a dock bar or on the menubar.
PLUGIN NO LONGER BEING MAINTAINED
Requires Restart
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Esign
Requires Restart
Электронная подпись для сообщений в Thunderbird на основе API клиента "ГУЦ"
accountex
GNOME keyring password integration
Requires Restart
Extension that allows Firefox and Thunderbird to store passwords in Keyring, Gnome's default password store.
InfoNotary Configurator for Mozilla
Requires Restart
Configures Mozilla for work with certificates issued by InfoNotary Plc.
Periodic Memory Usage Dumper
Saves memory usage information periodically (mainly for troubleshooting), for web/addon developers.
DOM Inspector
Requires Restart
Inspect the DOM of HTML, XUL, and XML pages, including the mail...
Copy Folder
Requires Restart
The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.
Rethread
This addon adds an entry in the right-click menu which re-threads selected messages together (groups selected messages into the same thread)". This is done by _modifying_ messages; the author of the addon declines any responsibility for data loss.
Chat Notifier with Pop-Ups
Requires Restart
Allows to be notified when you receive chat message in Thunderbird.
To create your own collections, you must have a Mozilla Add-ons account.
