Add-ons
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MyAdFilter
With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.
Sidebar Add Custom Tab
Requires Restart
Adds an 'add custom tab' option to the Tabs drop-down menu of SeaMonkey's sidebar.
WebRTC Permissions UI Toggle
Requires Restart
A toolbar button for SeaMonkey to bypass the missing WebRTC permissions dialog and temporarily allow media capture.
Flexible Sidebar
Flexible Sidebar allows to change sidebar width by dragging the handles.
HD Video Downloader
Download every YouTube video you want and you can download them as Full HD MP4, FLV, 3GP, MP3, M4A and AAC formats.
Cookies Exterminator
Auto delete cookies, localStorage and IndexedDB objects as soon as they become unused
Quick Locale Switcher 2
Requires Restart
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
XDM Hook for Linux & Mac OS X
Requires Restart
XDM integration module for Firefox on Linux and Mac
SeaMonkey Vertical Tab Bar
Requires Restart
Tab bar on the side of the window for SeaMonkey.
Disable Addon Compatibility Checks (Version 4-56)
Reinstates the extensions.checkCompatibility preference.
Image Zoom (ugly fixes)
Requires Restart
An ugly attempt at fixing Image Zoom
ACColorPicker
A full featured color selector tool, to work with colors, and easily find the colors you want.
很方便色取色器，可以页面上直接取色，然后再对颜色进行进一步的调整
Stop Watch timer (Sea Monkey)
Tasks Scheduler (Sea Monkey)
Keep a list of your important todo list in one place.
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.
XingClean
Der Spam-Filter für Xing! Entfernt störenden Spam aus der Xing-Timeline und den Gruppen.
XDM Hook
No Resource URI Leak
Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246
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