Address Close Button Requires Restart
Adds a Address Close Button to mail compose window.
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7 small view, Fx4-12 large view & Tb5-14) for current Firefox, Thunderbird and Seamonkey versions.
GlodaQuilla search indexing enhancements Requires Restart
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.
NewScrollbars [Tb 10-56] (discontinued) Requires Restart
The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".
[ not compatible with Firefox / Thunderbird 57+ ]
Subject Manager Requires Restart
Manages subject of composed emails.
Send and File Requires Restart
Allows to file outgoing messages in folder you prefer
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Sun Cult Requires Restart
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
Moves the toolbar back above the tabbar.
ConQuery Requires Restart
Context searching for everyone and URL manipulation tool for advanced users...
MinimizeToTray For FF 3.5 Requires Restart
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!
Copy Plain Text 2 Requires Restart
Copies text without formatting
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.
QuickNote Requires Restart
A simple note-taking extension.
Console² Requires Restart
Link Properties Plus Requires Restart
Provides extended link properties: size of linked file, last modified time, etc.
Add-ons Manager Context Menu Requires Restart
Add more items to Add-ons Manager context menu.
AutoCopy 2 Requires Restart
Copies selected text to the clipboard automatically.
Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.