Thunderbird, the email client from the Mozilla team, was in the news just a few days ago with the announcement that Thunderbird will receive an independent organizational place at Mozilla allowing the Thunderbird community to determine its own destiny.
With the level of dedication put forward by the developers of Thunderbird and users it will definitely be the right move. In the meantime, here are more than 45 extensions for Thunderbird that extend the functionality of the email client, add missing features, or provide security enhancements to the program.
Note: Before you start to download any extensions make sure you take a look at the compatibility information to make sure the add-on is still compatible with your version of Thunderbird.
Contacts Sidebar - displays the address book in the sidebar of Thunderbird. You can toggle the display with the F4 key to display or hide it.
Menu Icons Plus - adds icons to the menus of Firefox.
Flatstyle - changes the look and feel of the menus and toolbars to resemble Microsoft Office XP
Minimize to tray - moves Thunderbird from the task bar into the system tray.
Tiny Menu - save space by compacting the menu.
Auto Zip Attachments - zips attachments automatically before sending the mail.
Clippings - Save frequently used texts to prevent typing the same texts over and over again. You can paste the text into emails whenever you need to.
Copy Plain Text - Copies texts without formatting. You can alternatively use the Ctrl-Shift-V shortcut to do so.
Nested Quote Remover - removes nested quotes automatically when replying.
Signature Switch - switch signatures with ease.
Bork Bork Bork - Feeoo veb peges oor meeel es spukee by zee Svedeesh Cheff.
Leet Key - 7r4n5f0rm5 0r 3n(0d35 53|3(73d 73x7 1n70 |337 5p34k 4nd d1ff3r3n7 3n(ryp710n5.
Smilie Inserter - insert smilies in messages.
Addressbooks Synchronizer - synchronized selected address books with local, ftp, imap or webdav books.
Display Quota - displays IMAP quota and warns when a limit is reached.
Fox Clocks - keep an eye on the time around the world.
Lightning - a calendar for Thunderbird.
Locale Switcher - lets you switch the locale setting with ease.
Quick Note - write down quick notes (phone numbers for instance)
Provider for Google Calendar - sync data between Lightning / Sunbird and Google Calendar. Requires Lightning to be installed as well.
Remove Duplicate Messages - scans for and removes duplicated messages.
TB Properties - adds a Properties function to display more information about images and links.
Thunderbrowse - allows you to view websites in Thunderbird instead of your default web client.
[UN]Read - adds a button and shortcut that switches between view all / view unread mode quickly.
Update Notifier - notifies the user whenever an update for an extension or theme is available.
Change - currency converter for 36 currencies. Just double-click on any numeric amount in emails to display the value in another currency.
Dictionary Search - look up a selected word.
GDirections - Uses Google and Yahoo maps to find directions from one of several locations that you have addded to the location of the selected text.
Image Zoom - adds the ability to zoom into images. Useful if images are embedded in emails.
Maximize Message Pane - Collapses thread pane to maximize the message pane.
Quick Folders - bookmark mail folders for faster access.
Quote Colors - assigns colors to quotes depending on the quote level so that they are easier to distinguish.
Open Long Url - makes it possible to open multi-line urls.
Text Size Toolbar - adds buttons to the toolbar which can increase and decrease text size.
Track Packages - track packages from various services such as UPS, Fedex and DHL with a right-click.
Enigmail - adds flexible and easy to install OpenPGP functionality to Thunderbird.
Sender Verification Extension - reports if the sender in the From header was the actual sender of the email when possible.
Thunder Plunger - removes traces of accounts that have been deleted in Thunderbird.
Xpunge - Compacts mail folders which gets rid of already deleted emails that are still stored in those folders unless compacted.
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