Up & Coming Extensions
Simple Locale Switcher Requires Restart
An easier management of the user interface language
DOM Inspector Requires Restart
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
P7MON Requires Restart
Abilita la gestione alternativa degli allegati P7M
SeaTab-X-2 Requires Restart
Adds Firefox-style tab closers into SeaMonkey.
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.
Folderpane Tools Requires Restart
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
Mail Redirect Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
ThreadKey Requires Restart
Strike the 'T' key to sort messages by thread, strike the 'U' key to sort them unthreaded again, just like the 'G' key switches to Grouped By Sort view.
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
FlashGot Mass Downloader Requires Restart Featured
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Adds two columns to the list of mails. One shows an indicator wether a mail is incoming or outgoing, the other shows the sender or the recipient of the mail respectively...
Automatically do Archive/Copy/Delete/Move actions based on user defined rules
The first and only download manager/accelerator built inside Firefox!
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Image Zoom Requires Restart
Adds zoom and rotation functionality for images...
ChatZilla ru-RU Requires Restart
Russian translation of ChatZilla
QuickDrag Requires Restart
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.
Sea Fox Requires Restart
Transform SeaMonkey into Firefox 3.x
AutoPager Fixed Requires Restart
AutoPager Fixed is a working version of AutoPager extension for Firefox 36+ (non-E10s mode) to autoload the next page(s) when you scroll pages.
ATTENTION: DISABLE THE ORIGINAL AUTOPAGER ADDON!