Interface Customizations
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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.
Zing! Locale Switcher
Want to change from one language to another? Zing! and the locale is switched.
Search Engine Quick Switcher
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.
Lightweight Themes Preview for SeaMonkey
Preview lightweight theme when hover on menuitems in Apply Theme menu.
Duplicate Tab Blocker
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.
MonkeyFix Requires Restart
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).
Simple Locale Switcher Requires Restart
An easier management of the user interface language
Google Redesigned 2 Requires Restart
Ported version from Firefox to be compatible with Seamonkey 2.
A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.
NiceReader Requires Restart
NiceReader is designed for web reading. You can customize font, color, size, background, specify the elements to read, filiter ad elements, filiter ad strings, automaticaly turn page.
YouTube Anywhere Player
Watch videos anywhere in cinema mode without leaving the website you're on.
printplus Requires Restart
PDF export support by Gecko.
https://github.com/hATrayflood/printplus
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