Up & Coming Extensions

Subscribe

Dcurrency

Currency exchange rates in the status bar (data from Yahoo!Finance or Google on option).
Display currency graphs.

Rated 4 out of 5 stars (114)
4,503 users

Follow Up

This add-on provides a follow-up email feature for Thunderbird.

Rated 3 out of 5 stars (18)
1,769 users

Return Receipt Toolbar Button

Allow you to add a Return Receipt button to mail compose window toolbar.

Rated 4 out of 5 stars (12)
5,532 users

ExQuilla for Microsoft Exchange

Thunderbird email accounts, including contacts, connecting to Microsoft Exchange Web Services.

Rated 3 out of 5 stars (56)
11,168 users

Noia Fox options

Options manager and fixes for Noia Fox theme 3.0.0

Not yet rated
730 users

Auto Resize Image

Resizer for inline and attachment images (JPEG, PNG, BMP and GIF image formats).
All platforms are supported (Windows, Linux and Macintosh).

Rated 4 out of 5 stars (19)
11,581 users

Lightning Featured

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1,616)
1,162,371 users

Slideshow

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...

Rated 4 out of 5 stars (61)
8,206 users

Webpage Screenshot in Firefox (♥♥♥♥♥)

FireShot Webpage Screenshots captures webpage screenshot entirely (see demo: http://bit.ly/RlBQMV)

The screenshot can be quickly annotated and:

+ Uploaded
+ Saved as PDF/PNG/GIF/JPEG/BMP
+ Sent to clipboard
+ Printed
+ E-Mailed
+ Exported

Rated 5 out of 5 stars (373)
286,518 users

Developer Assistant

A suite of tools for developers.

Rated 4 out of 5 stars (45)
4,288 users

Provider for Microsoft Exchange

The lightning-exchange-provider addon allows you to use Microsoft Exchange calendars in Thunderbird, via Exchange’s web services.

This addon only works with Microsoft Exchange 2007 and above. Exchange 2003 is not supported.

Rated 4 out of 5 stars (49)
7,311 users

Font Finder

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (47)
23,815 users

ConfirmFolderMove

Introduces a preference that allows users to be prompted before moving folders.

Rated 5 out of 5 stars (6)
4,114 users

Exit Button Thunderbird

Adds a toolbar button to exit Thunderbird. Go to View menu, Toolbars, Customize... and drag the icon where you want...

Rated 3 out of 5 stars (9)
1,629 users

Play drums!

Just… play drums with your keyboard!

Rated 4 out of 5 stars (20)
1,950 users

Priority Switcher

Change priority of the received messages from the toolbar button and the context menus...

Rated 4 out of 5 stars (16)
2,471 users

SmtpSwitch

SmtpSwitch allows to choose the smtp server when clicking on the 'Send' button.

Rated 4 out of 5 stars (21)
2,776 users

ThreadVis

Displays a small graphic visualising the context (thread) of the currently selected email.

Rated 4 out of 5 stars (95)
5,475 users

Mail Summaries

Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview

Rated 5 out of 5 stars (27)
4,404 users

Add Signature

Simply add your signature manually (right mouse click) to your emails

Rated 3 out of 5 stars (26)
8,415 users