Get Selected Mails Requires Restart

Gets new messages for selected mail accounts.

Slideshow Requires Restart

Displays a slideshow of picture attachments. When email has attached pictures, it displays "View as Slideshow" button next to the attachment. Button click pops a slideshow window with all the images, allowing you to zoom in/out, save...

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.

KOLOBOK Smiles for Firefox Requires Restart

Firefox extension for KOLOBOK-Style smiles (http://www.kolobok.us/)
(based on Smiley Extra version 4 by James Baker)
Toolbar to use kolobok smiles in forums and blogs.

Any key Requires Restart

Allows typing into phonetic Russian, Ukrainian, Amharic, Arabic, Armenian, Hindi Davangari, Hebrew, Mongolian, greek... transforming translit into the choosen language...

Trashcan Requires Restart

Have you ever accidentally deleted an event and didn't notice? Undo is no longer available? Then this extension is for you! All deleted items are put into a special Trashcan calendar for your safety.

InspectorWidget Requires Restart

Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.

Old-style smilies Requires Restart

Reverts the smilies in Thunderbird to those of version 2.

Flat Folder Tree Requires Restart

Selectively breakout or promote sub-folders under an intermediate folder in the folder tree. Use with IMAP servers where some folders remain collapsed under special namespace like [Gmail] or the INBOX itself.

TamilVisai (TamilKey) Requires Restart

A utility for typing in Tamil language. It will be ideal for Tamil bloggers...

Restart application Requires Restart

Restart the application with one click (or Ctrl Shift Z)

Sender Name Requires Restart

DragToCompose Requires Restart

Enables dragging a file to Thunderbird for composing a new message without opening composer window first.

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"...

Show Password On Input Requires Restart

Gives an option to show the master password on input

SmartTemplate Requires Restart

This Add-on provides the smart and simple templates and abilities to customize the quote header flexibly.
Templates can be inserted automatically at the new/repling/forwarding message. A different template can be used respectively per account.

Free/Busy Requires Restart

Publish free/busy calendar file (*.ifb) via ftp or to a file. View other people's free/busy info in meeting organizer window. Integrate Thunderbird and Outlook calendars without Exchange server.

ThunderTabs Requires Restart

This add-on is a button on your toolbar that lets you open web apps as Tabs in Thunderbird. Use it to load Google Mail, Google Wave, Google Voice, and other "inboxes" (or any url) as tabs within Thunderbird, making it your communications hub.

FromToGMAP Requires Restart

Calculation of the distance and delay between reference address and highlighted address with the Google Map engine. Right click with mouse, select 'Distance with FromToGMAP' and the calculation of distance and delay appear in a popup

AddressBookTab Requires Restart

It adds a button that can be put in toolbars and that open the addressbook in a new tab