Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Collector's Note If you only install one add-on your whole life, this should be the one you choose.
Use the Evernote Web Clipper to save things you see on the web into your Evernote account.
Collector's Note Evernote is a very handy note-taking tool that has really improved recently. The Evernote Web Clipper is the way to go if you use Evernote.
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Collector's Note Occasionally handy tool for matching colors -- great for web design.
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
Collector's Note Someday all website will display properly in Firefox. But until that day, there's IE Tab.
Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more
Collector's Note If you have multiple email accounts like I do, WebMail Notifier is a great way to stay up-to-date on all of them. Supports Gmail, Yahoo! Mail, Hotmail/Live Mail, and others.
Block web pages containing pornography or any other type of material based on keyword lists.
Collector's Note A filtering extension that I find incredibly useful. You can set up different levels of filtering to weed out explicit content or profanity. Any site that you trust you can whitelist. A great extension for use at work.
StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.
Collector's Note Quite possibly the best way to waste time on the web.
A very compact & highly customizable theme that minimizes space consumed by menu & tool bars without hurting the overall usability. Supports Windows, Mac & Linux.
Collector's Note The best theme I've found for small screen resolutions. Classic Compact maximizes your screen space with a very usable look and feel.
View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.
Thanks Tekzilla for your awesome review! Click here to see their video: http://youtu.be/BUDqWrJ-Vao
Collector's Note Firefox's default Download Manager leave something to be desired. Download Statusbar is minimal, easy to use, and gets rid of that infernal delay between clicking on the download link and the Download Manager popping up.
Open IT Online allows you to open documents and images online without the need of any software to be installed. It supports Google Docs, Zoho, View Docs Online, Vuzit to edit/view documents and Snipshot, Pixlr, Sumo Paint, etc. to edit/view images.
Collector's Note Open IT Online lets you open images and documents in your preferred web-based app (Picnik, Zoho, Google Docs, etc.). No download required!
An extension that allows for the use of dynamic commands in Firefox.
Collector's Note An incredibly powerful language-based exension. I use it daily to look stuff up on Wikipedia, locate things on a map, Google things, send emails, or submit things to Digg/Reddit -- all with two or three keystrokes.
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