As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
DOM Inspector Reinício necessário
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.
ChatZilla ru-RU Reinício necessário
Русский перевод ChatZilla
QuickDrag Reinício necessário
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 Reinício necessário
Transform SeaMonkey into Firefox 3.x
AutoPager Fixed Reinício necessário
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!
QuickPasswords Reinício necessário
Obter rapidamente senhas do gestor de senhas para o clipboard. Não precisa de as mostrar mais!
AutoProxy Reinício necessário
Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.
Folderpane Tools Reinício necessário
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
При нажатии средней кнопки или прокрутке колесика мышки показывает всплывающее окно истории в строке адреса и поиска.
Smart Near-Infrared Control.
Słowniczek Reinício necessário
Find Image Copies Reinício necessário
The Find Image Copies Firefox extension helps you quickly find image copies. Search for image copies straight from the right-click menu in any website.
Tab Clicking Options Reinício necessário
Select actions for various clicking events on a tab or the tab...
Orkut Toolbar Reinício necessário
Orkut Toolbar helps you to format the text of your posts in the Orkut forums, easily access all common functions of orkut, create and manage custom signatures and insert and view images and flash movies in orkut posts and scraps.
ToggleDocumentColors_ Reinício necessário
Adds a toolbar button and keyboard shortcut to switch between the default page colors and user-defined colors.
Firefox shortcut: Control-Shift-C
SeaMonkey shortcut: Control-K
Bitacora Reinício necessário
Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. Update for fcp's addon
Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.
UniText Reinício necessário
Unicode Character Style Replacer
OverbiteFF Reinício necessário