中止ボタンがしいたけに見えて困る Requires Restart
Huh, you said the stop button looks like shiitake? No way, you must be tired.
Select Inbox Requires Restart
Automatically select the Inbox folder at startup, even if there is no account set to automatically check for new emails.
Important: the author will provide no other update for this add-on.
Colored Diffs Requires Restart
Color diffs sent by SVN/CVS/GIT/Mercurial...
IsAdmin Requires Restart
Shows whether the application is running with admin privileges, using an icon in the status bar; useful if logged in as an administrator and you use privilege limitation tools such as DropMyRights, RunAs or Windows User Account Control.
Additional Folder Views Requires Restart
Add a new unread-favorite-recent folders treeview.
Newsgroup Links Requires Restart
Displays a link to the Google groups url of a newsgroup post, and an option to copy it.
EHTip Requires Restart
Word translation in tooltip with English⟷Croatian dictionary already incorporated.
World Weather+ Requires Restart
Displays local weather information from around the world...
Run Filters on Folder button Requires Restart
A 'Run Filters on Folder' toolbar button. Based on http://developer.mozilla.org/en/docs/Custom_Toolbar_But...
Show Address Requires Restart
Shows the Sender/Recipient Mailaddress in the Mail List. Normaly, only the Name is displayed, which is wrong on most Spam Mails. Now you also can clearly see which of your Mail Addresses was used, extremly usefull if you are using a chatch-all...
Nokia Synchronization Requires Restart
Synchronize Thunderbird and Nokia phone...
BirdFon Requires Restart
BirdFon, a lightweight and elegant phone plugin, makes Thunderbird a speaking friend in your online life. With BirdFon you can call your friends in a way similar to the SkypeOut service. The major BirdFon advantage is that it allows you to make...
Custom Geometry Requires Restart
Resizes and positions the Firefox window according to your settings.
pasteCode Requires Restart
Programmers: want to email some source code to a colleague and have it be actually readable and highlighted just like in your code editor? Well with pasteCode, you can do just that...
Filter Uploader for Adblock Plus (unofficial) Requires Restart
DOES NOT BLOCK ADS! Don't install this add-on if you don't know what 'uploading' means!
This add-on Uploads the filters from your Adblock Plus installation to a FTP, HTTP, HTTPS server...
ThunderBayes Requires Restart
SpamBayes integration for Thunderbird - a better spam filter.
eelpout Requires Restart
The anti-phish. An informative phishing detection...
Auto Zip Attachments Requires Restart
Auto Zip Attachments allows you to easily compress (zip) attachments.
Dictionary Switcher for Thunderbird Requires Restart
Toggles spelling dictionaries automatically or manually and displays the currently selected one in the status bar.
Now merged with Dictionary Switcher v1.3 for Firefox/SeaMonkey
Any key Requires Restart
Allows typing into phonetic Russian, Ukrainian, Amharic, Arabic, Armenian, Hindi Davangari, Hebrew, Mongolian, greek... transforming translit into the choosen language...