Interface Customizations

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Forecastfox (fix version)

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Rated 5 out of 5 stars (115)
21,148 users
Added February 6, 2015

FlameFox 3 Rebrander

Rebrand SeaMonkey as Firefox 3 (by 2008WindowsVista and a11RyanC2)

Not yet rated
4 users
Added January 23, 2015

New Tab Button 2

Provides a new tab button for the navigation toolbar.

Not yet rated
9 users
Added January 22, 2015

FAYT Revived

Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!

Rated 4 out of 5 stars (4)
102 users
Added December 30, 2014

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.

Rated 5 out of 5 stars (1)
176 users
Added November 9, 2014

Drag-Select Link Text No Restart

Select link text with easy drag gestures.

Rated 5 out of 5 stars (16)
573 users
Added October 4, 2014

Menu Wizard

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

Rated 5 out of 5 stars (92)
14,479 users
Added May 5, 2014

Shift+LeftClick XUL

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.

Not yet rated
2 users
Added April 12, 2014

Zing! Locale Switcher No Restart

Want to change from one language to another? Zing! and the locale is switched.

Rated 5 out of 5 stars (1)
128 users
Added April 1, 2014

Black background and white text No Restart

Makes black background and white text on every page

Rated 5 out of 5 stars (16)
4,390 users
Added March 27, 2014

SeaTab-X-2

Adds Firefox-style tab closers into SeaMonkey.

Rated 5 out of 5 stars (12)
1,401 users
Added February 17, 2014

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.

Rated 3 out of 5 stars (2)
12 users
Added January 29, 2014

Old Addon Manager

Brings back Firefox 3.x Addon Manager

Rated 5 out of 5 stars (1)
70 users
Added January 11, 2014

Lightweight Themes Preview for SeaMonkey No Restart

Preview lightweight theme when hover on menuitems in Apply Theme menu.

Rated 1 out of 5 stars (1)
3 users
Added December 4, 2013

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.

Rated 3 out of 5 stars (10)
937 users
Added November 28, 2013

Lightweight Themes Manager No Restart

Manage your installed personas (lightweight themes).

Rated 5 out of 5 stars (6)
15,715 users
Added November 17, 2013

Sea Fox

Transform SeaMonkey into Firefox 3.x

Rated 5 out of 5 stars (5)
463 users
Added November 11, 2013

MonkeyFix

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).

Rated 5 out of 5 stars (3)
512 users
Added September 24, 2013

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (6)
10,452 users
Added September 6, 2013

Big Navigation No Restart

Increases the navigation links on the pages

Rated 5 out of 5 stars (4)
920 users
Added July 18, 2013