Dynamic creation of bookmark-style toolbar buttons which you can customize.
Want to change from one language to another? Zing! and the locale is switched.
Stylish-Custom Requires Restart
custom additions to Stylish extension
When you press the middle mouse button or scroll wheel mouse show popup window the history in the url bar and search bar.
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.
GNOMErunner Options Requires Restart
Allows to customize GNOMErunner theme
Duplicate Tab Requires Restart
Duplicate Tab allows you to clone a tab along with its...
xSidebar Requires Restart Featured
Firefox style sidebars for SeaMonkey...
TaQuilla Requires Restart
Automatic tagging using Bayesian statistics
Stylish Tools Requires Restart
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
InspectorWidget Requires Restart
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
Link Status Requires Restart
Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. In Firefox 3.5 and later, the extension also offers an option to disable the visited link styling to reduce the risk to privacy.
HTML5 Loop Requires Restart
Loop HTML5 Video and Music.
The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.
The "Responsible Blocker" arrives to save the Internet
MonkeyMenu Requires Restart
MonkeyMenu brings some of the features of the MenuX Firefox extension to the Seamonkey browser. You can add about 29 buttons to the Seamonkey user interface, collapse any toolbar, add/remove search engines, have your font zoom size reloaded, and...
Single Key Tab Switch Requires Restart
Single Key Tab Switch provides configurable single hotkeys for switching tabs, like the 'Single-key shortcuts' feature of the Opera browser.
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.
FAYT Revived Requires Restart
Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!
Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.
Tab Clicking Options Requires Restart
Select actions for various clicking events on a tab or the tab...