Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Also adds three columns to the Thunderbird message pane that are useful in debugging.
Send and File 需要重开
Allows to file outgoing messages in folder you prefer
Subject Manager 需要重开
Manages subject of composed emails.
Edit Email Subject for Thunderbird
Force a LTR locale to behave as if it was a RTL locale.
如果你喜欢完全掌控下载项的各个方面，Download Status Bar 就是你要找的扩展。
Address Close Button 需要重开
Adds a Address Close Button to mail compose window.
Sun Cult 需要重开
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
Element Hiding Helper 是 Adblock Plus 的一个辅助扩展, 可以让用户能更加简便的隐藏页面元素以去除文本广告.
HeaderTools Lite 需要重开
Allows to modify the header and the source of messages
Dorando keyconfig 需要重开
A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)
Copy Plain Text 2 需要重开
Moves the toolbar back above the tabbar.
Context searching for everyone and URL manipulation tool for advanced users...
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!
Google Keep for Thunderbird
Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.
Link Properties Plus 需要重开
Provides extended link properties: size of linked file, last modified time, etc.