Add-ons
Message and News Reading
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WebPG for Mozilla
Requires Restart
An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey
TheRealURL
Requires Restart
Get URL information: expand short URLs, get title and content type information without visiting the site.
UPDATE, AUG 2013: THIS EXTENSION IS NO LONGER SUPPORTED. The source is open - if you wish to take on the development, you're welcome.
xSearchbarT2
Requires Restart
Somewhere between Thunderbird 1.5 and Thunderbird 2 the message search bar disappeared. This extension restores the search bar. Thunderbird 2 and newer only.
Signal Spam
Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).
Message Notes
Requires Restart
Add Notes to messages. Notes are stored in a plaintext file, typically in your profile. The plaintext notes file can be stored elsewhere to enable sharing of notes across a...
FolderCheck
Requires Restart
Allows you to easily tell Thunderbird to check multiple folders for messages
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.
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.
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.
Newsgroup Links
Requires Restart
Displays a link to the Google groups url of a newsgroup post, and an option to copy it.
update-test
DO NOT install, this is for testing the update mechanism.
If you are interested in the functionality, use quicker quicksearch instead
OpenSearch
Requires Restart
OpenSearch is a Mozilla Messaging addon that will allow you to search the web from within Thunderbird.
TweeQuilla Twitter for Thunderbird (Obsolete)
Requires Restart
Twitter for Thunderbird (Bundle). Provides twitter statuses in the format of email messages, and allows updating Twitter status from Thunderbird.This addon packages the TweeQuilla-app extension with the required "New Account Types" extension.
arXiv
Requires Restart
Adds direct links to the article PDF and BibTeX information to arXiv email listings. BibTeX information can be used in reference managers such as JabRef by Copy & Paste.
Navigation Shortcuts
Requires Restart
This extension adds three shortcuts to Thunderbird to navigate more easily.
These shortcuts are: Focus message pane, go one folder up and go one folder down
Linux Growl
Requires Restart
Sends linux notifications using notify-send when a new email or a RSS feed is received.
Required:
sudo apt-get install notify-osd
To create your own collections, you must have a Mozilla Add-ons account.
