Most Popular Extensions
Viadeo Tab Requires Restart
Cette extension ajoute le réseau social français, Viadeo, un bouton d'accès à ouverture simple et rapide dans Thunderbird.
D'autres médias sociaux sont disponibles également.
Find Preferences Requires Restart
Stores find service data in preferences so that it persists across restarts.
Glasser for Thunderbird Requires Restart
Adds the Windows Aero glass to Thunderbird. Based on Glasser Firefox add-on.
eMarks Requires Restart
Email Bookmarks are here ! ... eMark your important emails.
Do you have an email that will need to revisit/attend later on ? Would you like to keep it handy and get it with a simple click ? Bookmark your important emails with the eMarks addon.
Attachment Reminder Requires Restart
Prompts you if it looks like you wanted to attach a file but didn't.
Options Toolbar Button Requires Restart
POW -- Plain Old Webserver Requires Restart
Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.
Email Notification Randomizer Requires Restart
Extension to randomize the email notification sound. Each time an email is received, the configured email notification sound is updated from the set of wav files in the configured folder...
Nightly Tester Tools Lite Requires Restart
This is a cut down version of Nightly Tester Tools by Mossop, which is 77.6 KB. I've only included the "copy build id" and "build id in titlebar"...
Display mailing list header Requires Restart
This extension implements RFC 2369 for Thunderbird: Special mailing list header fields in the mail are parsed, and the links are displayed in the extended header view. You can click them to simply go to the archive, request help or unsubscribe.
Open Long Url Requires Restart
Adds an option to your File menu to allow you to open long, multi-line...
GmailOutOfOffice Requires Restart
Out of Office for Gmail
This add-on allows you to set an out of office auto-responder in your gmail account. It adds a button in the toolbar customization list.
Live in harmony with ads.
AdSidebar is an alternative to traditional ad blocker extensions that benefits both the user and content creators. Ads are displayed in a sidebar on the right side of the screen.
Makes the application to the default client on every startup.
Markov Dictionary Switcher Requires Restart
Based on Dictionary Switcher but more than a thousand times faster and you can choose dictionaries that you want to use. Detects the language of the message that you are composing and changes the spelling dictionary.
WebChanges Requires Restart
Monitor website changes for all websites not providing feeds.
Auto Resize JPEG Requires Restart
Resizer for inline and attachment images (only JPEG format).
For Windows only.
Recipients Overview Requires Restart
“Who else got that mail?”
SamePlace Instant Messenger Requires Restart
Extensible instant messaging client based on the XMPP (Jabber) protocol.
***ATTENTION***: it REQUIRES the xmpp4moz extension. Download it fromhttps://addons.mozilla.org/firefox/3632/, or get an all-in-one package fromhttp://www.sameplace.cc/downl...
Stego Block Requires Restart
Embeds a small secondary, encrypted message in an email, known as a Stego Block.