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Reply As Original Recipient
Requires Restart
Reply with the From: field set to the To: field from the original email.
teclib' Protocol
Personal Level Indicators
Requires Restart
Shows an indicator so you can tell if an email was addressed only to you (»), a group (›), or a mailing list.
Rikaichan Japanese-Hungarian Dictionary File
Requires Restart
This is a dictionary file add-on for the Rikaichan extension.
Column Reader
Web reader for wide screens and long documents. Read with pleasure in attractive layouts.
Extension List Dumper 2
Requires Restart
This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...
Safe for Amoled
MyAdFilter
With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.
Charamel
Get Selected Mails
Eesti keele speller
Estonian spellchecking dictionary for Firefox, Thunderbird and Seamonkey...
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...
WordReference Translator
Requires Restart
Open a tab with WordReference's translation for the selected word. Through a floating link, or by pressing "D" key.
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.
Protected E-mail Addresses
Requires Restart
Generates protected and disposable e-mail addresses and filters junk mail sent to invalid addresses.
Old-style smilies
Requires Restart
Reverts the smilies in Thunderbird to those of version 2.
Thunderbird-DontRestoreTabs
Requires Restart
Allows the user not to restore tabs at startup in Thundertbird
To create your own collections, you must have a Mozilla Add-ons account.
