Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
Extensions by Name
Easily insert flair into /r/CFB posts with a shorthand system.
Open DOC, DOCX, PDF, PPT, PPTX and TIFF files linked in any webpage directly with Google Docs viewer using "1-click Online Document View", with a single left-click of your mouse / trackpad!!
The simplest YouTube Video Downloader for all YouTube Flash sites, period.
Adds support for 3e calendars
4or6 No Restart
IPv4/IPv6 Protocol Indicator and Configuration Manager
Type in accented letters, international characters or symbols into Firefox or Thunderbird, either simply by using a context menu (there being support for many languages), or quickly by keyboard macro (you can even define your own).
Adds an About button to extensions, themes, and languages in the Add-ons list.
About Startup No Restart
Displays startup timings
About:about Button No Restart
A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.
about:addons-memory No Restart
Adds an about:addons-memory page that details add-on memory usage
about:config Button No Restart
Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.
Effortless Email Management: prioritize and track important emails, move projects forward and do emails faster.
(Gmail plugin for tasks, projects, inbox zero, gmail folders, GTD and more)
Adblock Edge No Restart
Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.
**This addon has been discontinued**
Adblock Plus No Restart Featured
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
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.
Add-on Preferences Button No Restart
Displays a menu that allows you to open the option/preference window for any add-on that has one.
Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.
Add-ons Button No Restart
Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.