Add-ons

Torrent Tornado by Oleksandr

A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!

Bluhell Firewall by Diego Casorran

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Image Zoom by Jason Adams

Adds zoom and rotation functionality for images...

Toolbar Buttons by Button Guy

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey) by IE Tab Pro

IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +

Right Links by Infocatcher

This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.

QuickDrag by Stevie Smith

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.

KOLOBOK Smiles for Firefox by Hyron

Firefox extension for KOLOBOK-Style smiles (http://www.kolobok.us/)
(based on Smiley Extra version 4 by James Baker)
Toolbar to use kolobok smiles in forums and blogs.

Select like a Boss by Dzianis Rusak

Select link's text just like a regular text (like in Opera'12 browser) - Select like a Boss ;)

InlineDisposition by Kai Liu

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.

Active Stop Button by Off JustOff

Stop gif animation with button, context menu or Esc key

YouTube Anywhere Player by Diego Casorran

Watch videos anywhere in cinema mode without leaving the website you're on.

Firefoxx red and black by AlfredoHS

VIROX 3D Dark by Ahmed Sheta