Drag-Select Link Text No Restart
Select link text with easy drag gestures.
JSONovich No Restart
Pretty-prints JSON content in the browser for easy, unobtrusive viewing.
Adds Firefox-style tab closers into SeaMonkey.
True Full Screen in SeaMonkey No Restart
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.
Rebrand SeaMonkey as Firefox 3 (by 2008WindowsVista and a11RyanC2)
Provides a new tab button for the navigation toolbar.
Sort and search for buttons in (any) toolbar customization dialog
Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!
Loop HTML5 Video and Music.
Old Default Image Style No Restart
Restores the default image style used for top-level images in previous versions of Firefox.
This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
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.
Stylish Sync No Restart
Sync engine for Stylish with backup / restore facility.
Search Engine Quick Switcher No Restart
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 Manager No Restart
Manage your installed personas (lightweight themes).
Brings back Firefox 3.x Addon Manager
F.B. Purity - Cleans Up Facebook No Restart
F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.
Lightweight Themes Preview for SeaMonkey No Restart
Preview lightweight theme when hover on menuitems in Apply Theme menu.
Duplicate Tab Blocker No Restart
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.