Add-ons
Interface Customizations
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Active Stop Button
Requires Restart
Stop gif animation with button, context menu or Esc key
HTML5 Loop
Duplicate This Tab
Requires Restart
This add-on provides the much needed feature update of Tab Duplication to Mozilla Browsers. Features Supported include Duplication of Browser Tabs, Detaching Tabs and Merging All Windows.
FAYT Revived
Requires Restart
Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!
CuteButtons
Forecastfox Weather
Requires Restart
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Dybutar
Togglify Add-on Toggler
Adds toolbar buttons for each restartless add-on (including user scripts and plugins) to toggle its enabled state.
Folder Pane Cell Selection Type
Requires Restart
Since 20070806 the MailNews folder pane has switched from its previous cell text selection to the full row selection which the Mozilla Suite used to use.
InspectorWidget
Requires Restart
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
HTitle (discontinued)
Requires Restart
Hide title bar if window is maximized.
This add-on has been discontinued!
Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.
SM Home Button
GNotifier
Add-on for Thunderbird that replaces the built-in notifications with OS native ones. It supports most Linux Desktop Environments as well as Windows 8.1/10.
SeaFind - Findbar for SeaMonkey
Requires Restart
Adds the find in page toolbar (findbar) from Firefox to SeaMonkey.
Shift+LeftClick XUL
Requires Restart
This simple addon has only this functionality, nothing else: it opens links in a new active tab with Shift+LeftClick (left mouse button click).
Better use https://addons.mozilla.org/ru/firefox/addon/shiftleftclick-opens-links-in-/ for FireFox.
No Caption
MailNews Status Icons
Requires Restart
Adds status icons for replied and forwarded messages to SeaMonkey MailNews.
Speed Start
Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks
Xclear
Requires Restart
Safari-like icons in the URL, search and find fields to clear their contents.
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