15 Add-ons in this Collection
Firebug by Joe Hewitt, Jan Odvarko, others
FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
Check out my new project, FireSSH!
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.
Save Images by Lumox
Save Images saves the images from the current tab page, from the cache, to a specified location, with either the images original file name or a file name that you specify. The size and types of images saved may be chosen, with options if...
FirePHP enables you to log to your Firebug Console using a simple PHP method call.
Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/
Scriptish by Erik Vold, Nils Maier, others
The greatest user script engine on the Internet (a fork of Greasemonkey).
Firecookie is an extension for Firebug that makes possible to view and manage cookies in your browser
Firecookie is part of Firebug since Firebug 1.10