Google Hangouts Web Messenger brings Google Hangouts right into your browser to chat with your friends.
Duplicate Tab Requires Restart
Duplicate Tab allows you to clone a tab along with its...
xSidebar Requires Restart Featured
Firefox style sidebars for SeaMonkey...
ToggleDocumentColors_ Requires Restart
Adds a toolbar button and keyboard shortcut to switch between the default page colors and user-defined colors.
Firefox shortcut: Control-Shift-C
SeaMonkey shortcut: Control-K
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.
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...
Status-Bar Custom Buttons Requires Restart
Create your own status-bar buttons.
Reload page without using content stored in the browser cache to make sure you get any updates.
A full featured color selector tool, to work with colors, and easily find the colors you want.
Tab Clicking Options Requires Restart
Select actions for various clicking events on a tab or the tab...
TaQuilla Requires Restart
Automatic tagging using Bayesian statistics
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.
SeaMonkey Vertical Tab Bar Requires Restart
Tab bar on the side of the window for SeaMonkey.
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.
Add Search Engines for SeaMonkey Requires Restart
Add missing search-engine detection to SeaMonkey
This add-on is not compatible with your version of SeaMonkey because of the following:
- Add-on has opted into strict compatibility checking.
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.
Reopens the last closed tab.
Telegram Web Messenger brings Telegram right into your Firefox Sidebar.
CloseTab Requires Restart
Lightweight add-on which adds to right-click menu 3 items allowing to close current tab, open a new one and reopen closed one. Right-click anywhere on site instead of using keyboard or finding buttons.