Up & Coming Extensions
Add-ons Manager Context Menu Requires Restart
Add more items to Add-ons Manager context menu.
Google Hangouts Web Messenger brings Google Hangouts right into your browser to chat with your friends.
Dorando keyconfig Requires Restart
A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)
Lets the user direct the submission of a form to a new tab or window. [Bug #17754]
LookOut (fix version) Requires Restart
LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Support: Thunderbird and SeaMonkey
CryptoData Requires Restart
Easily and quickly to encrypt / decrypt:
Private messages via e-mail, blogs, social networks, forums, websites, images, etc
Support: Firefox, Thunderbird and SeaMonkey
Link Status Redux Requires Restart
Shows an indicator on the status bar in front of the link address when the mouse cursor is over a link to a page you have bookmarked or visited before.
LookOut+ Requires Restart
LookOut is a plugin which allows to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
This version is a fix for Seamonkey 2.*.
A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.
InlineDisposition changes the disposition of Content-Disposition response headers from attachment to inline; this prevents servers from forcing the browser to save a file and allows that file to be viewed in the browser, if the browser supports it.
Close Proxy Authentication Requires Restart
Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.
Single Key Tab Switch Requires Restart
Single Key Tab Switch provides configurable single hotkeys for switching tabs, like the 'Single-key shortcuts' feature of the Opera browser.
SeaTab-X-2 Requires Restart
Adds Firefox-style tab closers into SeaMonkey.
Open With Adobe Illustrator is a new companion for web designers, graphic designers and in general whom like to use Illustrator.
InfoLister Requires Restart
Lists installed add-ons (extensions, themes, plugins). Mozilla insists on hiding the version compatible with Firefox 48+, it's at https://addons.mozilla.org/en-US/firefox/addon/infolister/versions/?page=1#version-0.10.5a2
RC Print Requires Restart
Adds a "Print" option to the Right-Click context menu.
Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.
Adds a small and simple button to YouTube videos that allows you to quickly download the audio of the video as an MP3 file (quality of the MP3 is as high as the video offers) without having to leave the page.
Finally, an efficient blocker. Easy on CPU and memory.
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.