dwMailCopy Requires Restart
This add-on is help for create the mail division. This add-on is converting to "(2/5)" from the string "(1/5)" in E-mail subject, after copy the mail. After now, Will be freed from onerous copy-paste work.
UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
Link Properties Plus Requires Restart
Provides extended link properties: size of linked file, last modified time, etc.
Google Keep for Thunderbird
Provider for Google Calendar Requires Restart
Allows bidirectional access to Google Calendar
Addons Recent Updates Requires Restart
Show more addons recent updates
InfoLister Requires Restart
Lists installed add-ons (extensions, themes, plugins). Mozilla does not allow me to publish the version compatible with Firefox 48+, see http://forums.mozillazine.org/viewtopic.php?f=48&t=2084957&p=14715558#p14715558 for details.
UxU - UnitTest.XUL Requires Restart
This is a testing tool for addon developers.
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Hütte Nippon for Thunderbird Requires Restart
Display weather report for a week of Japan.
With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.
"Restart" menu and button, with configurable shortcut key.
Force a LTR locale to behave as if it was a RTL locale.
Kapaza Feed Requires Restart
Receive Kapaza ads as any RSS items.
GlassMyBird enables more AeroGlass effects than the default Thunderbird theme (only possible on Windows Vista and 7 when AeroGlass is enabled). See instructions inside add-on description how to enable Glass on Windows 8.
BugFlags Requires Restart
Lists the request flags for a specified requestee
PathExplorer Requires Restart
Adds "Open with Explorer" to the message pane's right-click menu.
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...
Generate e-bay templates online - in few minutes.
NewScrollbars (aka NoiaScrollbars) [Fx/Tb 10-56] 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+ ]