Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
Rebrand SeaMonkey as Firefox 3 (by 2008WindowsVista and a11RyanC2)
Provides a new tab button for the navigation toolbar.
Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!
True Full Screen in SeaMonkey No Restart
This extension enables true full screen mode in SeaMonkey for HTML5 video players, slide-shows, etc. and also for full screen invoked manually with the F11 key.
Drag-Select Link Text No Restart
Select link text with easy drag gestures.
Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey
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.
Zing! Locale Switcher No Restart
Want to change from one language to another? Zing! and the locale is switched.
Adds Firefox-style tab closers into SeaMonkey.
Search Engine Quick Switcher No Restart
Switch the current search engine on the fly! Press Control + Shift + Down Arrow to switch to the next search engine or Control + Shift + Up Arrow to select the previous one.
Brings back Firefox 3.x Addon Manager
Lightweight Themes Preview for SeaMonkey No Restart
Preview lightweight theme when hover on menuitems in Apply Theme menu.
Duplicate Tab Blocker No Restart
Prevent duplicate tabs. Allow only one tab for a url. If you click a link that is already opened in a tab, then existing tab would be focused instead of opening a new tab. This works even across firefox windows.
Lightweight Themes Manager No Restart
Manage your installed personas (lightweight themes).
Transform SeaMonkey into Firefox 3.x
Fixes up numerous SeaMonkey browser interface issues (eg. adding support for popup ALT attributes), as well as adding some handy features for developers and power users (eg. configure source viewer, work online/offline).
An easier management of the user interface language
Big Navigation No Restart
enlarging the navigation links on the pages