SM Home Button Requires Restart
Navigation bar Home Button (resurrected by sailfish)
Sort and Search Customization Dialogs Requires Restart
Sort and search for buttons in (any) toolbar customization dialog
printplus Requires Restart
PDF export support by Gecko.
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).
ImageBlock for seamonkey Requires Restart
Updated version of imageblock by Hemant Vats to work with seamonkey 2.29.
Provides a fast way to disable images in web pages that's usually set by the image manager sub-menu.
From/To Column Requires Restart
Add a “From/To” column which shows the recipient if you are the sender.
Remember Mismatched Domains Requires Restart
The Remember Mismatched Domains extension for Firefox and Thunderbird adds a "Don't warn me again about this certificate for this domain" checkbox to the Domain Mismatch and Expired Certificate warning windows. When selected the domain...
Tategaki Requires Restart
Tategaki allows vertical writing-mode on mail compose window.
Dynamic creation of bookmark-style toolbar buttons which you can customize.
FAYT Revived Requires Restart
Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!
When you press the middle mouse button or scroll wheel mouse show popup window the history in the url bar and search bar.
TaQuilla Requires Restart
Automatic tagging using Bayesian statistics
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.
New Tab Button 2 Requires Restart
Provides a new tab button for the navigation toolbar.
CuteMenus - Crystal SVG Requires Restart
Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.
Adds icons to all menus along with some other features...
No Alt Text Requires Restart
Changes the default setting for new images to not use alternative text. This also works around a bug in some versions of SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always demand alt text.
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.
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.
MailNews Status Icons Requires Restart
Adds status icons for replied and forwarded messages to SeaMonkey MailNews.