Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
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.
Switch the signature on/off or choose a new one from your predefined set...
Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, Plaxo contacts, and more.
Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...
Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.
MagicSLR extends functions and buttons to get and send messages. Many users missed a combined "Get/Send" button in Thunderbird. MagicSLR provides this button and more.
It is a Theme of the Mac Leopard-style which did iLeopard in a model.
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...
All-in-one Mac style theme! Please check preview here first (it rocks):
To get sub themes: Open Add-ons window, right click on Cutebird, click "About Cutebird"
more info at http://foxdie.us
MinimizeToTray For firefox 3.Minimizes Mozilla windows into the system tray.Note:I am going to remove this extension if the original creator make a FF 3 version!
Add Gmail IMAP options to the account wizard. You can easily set up Gmail IMAP by this extension.
Looks like some Mac application.
2nd Classic is Simple and Clean Theme for Thunderbird 2.
This theme is the skin which can change your Thunderbird like LeopardMail.