Most Popular Extensions
No Tooltip Timeout Requires Restart
"title" tooltips won't disappear anymore
Dog Ears Requires Restart
Mark important parts of a webpage to easily relocate them.
ToggleReplied Requires Restart
Enables toggling of replied, forwarded, and redirected states of messages.
WebRTC Permissions UI Toggle Requires Restart
A toolbar button for SeaMonkey to bypass the missing WebRTC permissions dialog and temporarily allow media capture.
Flashblock Ultimate Alt Zero Requires Restart
This extention allow to remove focus from embedded flash object by pressing Ctrl+Esc or Ctrl+F12 (see mozilla superbug: 78414) and move focus back by Alt+Esc or Alt+F12
USE THIS INSTEAD: https://addons.mozilla.org/en-US/firefox/addon/focus-regainer/
Indian Language Transliterator Requires Restart
Indian Language Transliterator (developed at IIIT Hyderabad, India) is a Mozilla Thunderbird Add-on, developed to enable Thunderbird users to compose and send messages in 10 Regional Indian Languages, using their regular QWERTY keyboard!!!
Forwarding to the available information resources Requires Restart
The system is designed to redirect from alias with obsolete and invalid network and a local address information resources on the act for which the resource is available. The system can perform advanced search resources.
DMOZ Bookmarks Requires Restart
Download any dmoz category to your browser bookmarks.
Tinderstatus Requires Restart
the status of Mozilla tinderboxen in the statusbar
MR Tech About:About Requires Restart
Adds the following "about:" options to the Help menu
Singlish to Sinhalese Requires Restart
Singlish to Sinhalese Conversion provide by Subasa Language Service
SeaMonkey Update Server Cert HotFix Requires Restart
Adds the current Certificate used by the Official Update Server to SeaMonkey's acceptable list.
Flexible Sidebar allows to change sidebar width by dragging the handles.
Tategaki Requires Restart
Tategaki allows vertical writing-mode on mail compose window.
Super Mario Cross Requires Restart
The legendary arcade game that has survived the ages and can still be found today in modern arcades. You may have played this game when you were a kid and want to have a bit of fun remembering what it was like.
Converts prices from any currency ($, £, etc.) to prices in a selectable currency automatically while browsing.
Content Scrollbar Requires Restart
Easily navigate through the long pages. This extension will generate clickable markers for all the headings of a page and places them proportionately on the scrollbar. This extension is a port of Chrome's 'Scrollbar of Contents' to Firefox.
Connectify.io is absolutely FREE simple to get started. The best part is this extension is the ease of use and remarkable idea of combining SMS with Infusionsoft directly in your browser. Search contacts, create tags, complete forms, and much more.
SM Home Button Requires Restart
Navigation bar Home Button (resurrected by sailfish)
xSidebar Requires Restart Featured
Firefox style sidebars for SeaMonkey...