Add-ons
Interface Customizations
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Stylish Tools
Requires Restart
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
YouTube Video Player Pop Out
YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.
FlameFox 3 Rebrander
Requires Restart
Rebrand SeaMonkey as Firefox 3 (by 2008WindowsVista and a11RyanC2)
Blue Essence Seamonkey Theme
Requires Restart
Dark navigator theme based on a default Classical theme and now works on Linux :)
Text2Link
Requires Restart
Text2Link is a simple and easy-to-use way to copy the text of a link, or to open URLs and send emails to addresses not marked-up as HTML links.
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...
CheckBoxMate Lefedor Edition
Requires Restart
Check multiple checkboxes by drawing a rectangle around them. FF6 version.
I've made this version since i did need it for use with RTM,
True Full Screen in SeaMonkey
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.
tab-counter
Firesizer
Requires Restart
Allows you to resize the window to specific dimensions.
NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.
Tab Clicking Options
Requires Restart
Select actions for various clicking events on a tab or the tab...
From/To Column
Requires Restart
Add a “From/To” column which shows the recipient if you are the sender.
AMO Browsing for SeaMonkey
This extension makes browsing for extensions easier at addons.mozilla.org. It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.
IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey)
Requires Restart
IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +
printplus
Requires Restart
PDF export support by Gecko.
https://github.com/hATrayflood/printplus
GNOMErunner Options
Edit Custom Size Image
Requires Restart
Fixes a bug in SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always reset the image to actual size.
Zing! Locale Switcher
Want to change from one language to another? Zing! and the locale is switched.
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