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PasteIP
Requires Restart
Easy pasting of your IP address or User-Agent in a textbox. Comes in handy when posting on forums, etc.
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
infoRSS
Requires Restart
Displays RSS, Atom, Twitter, parsed HTML and NNTP feed in a scrolling area in the status bar. Compatible with podcasting RSS which can be downloaded directly. It's also a good Google email notifier.
Dcurrency
Requires Restart
Currency exchange rates in the status bar (data from Yahoo!Finance or Google on option).
Display currency graphs.
Keyword Highlight
Requires Restart
毎日受信するたくさんのメール．あなたは重要なメールを見逃していませんか？
本文中に登録キーワードが現れたときに色・サイズ・スタイルを変更できます．
Moji
Requires Restart
An integrated sidebar-dictionary for Japanese and Chinese including kanji dictionary.
CIX Forums
Requires Restart
Open CIX Forums in Thunderbird. Free CIX accounts from https://forums.cix.co.uk/signUp.aspx?p=cixbasic
Sender Verification Anti-Phishing Extension
Requires Restart
Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.
KbdMover
Requires Restart
Adds the ability to move mail from the keyboard with keystroke saving features similar to partial-completion-mode in Emacs...
Forumzilla
Requires Restart
Forumzilla lets you read news and blog feeds in your email application. It is similar to the feed reader built into Thunderbird, but it lets you download stories into any folder in any POP, IMAP, or local account (configurable per...
Habu
Requires Restart
*This extension was formerly known as Okopipi*
Please be sure to visit the homepage and forums to provide your input for the future of Habu.
Support can be found at http://forums.mosinu.com/viewforum.php?f=5
Mark All Read Button Postbox
Requires Restart
Adds a toolbar button to mark all emails as read.
Alphanumerator
Requires Restart
Convert alphanumeric phone numbers to just numbers. Simply highlight the text, right-click it, and click "Alphanumerate". For example, 1-800-PICK-UPS would be converted to...
nntpthreads
Requires Restart
Nntpthreads lets you add up to four new buttons in the toolbar to easily access the menu item from "View > Threads"...
Reply To All Reminder
Requires Restart
Asks for confirmation when "Reply" instead of "Reply to All" is pressed on an email with multiple recipients.
To create your own collections, you must have a Mozilla Add-ons account.
