Adblock Plus 0.7.5.5

[Description]

Ever been annoyed by all those ads and banners on the internet that often take longer to download than everything else on the page? Install Adblock Plus now and get rid of them.

GooglePreview 3.15

[Description]

Inserts preview images (thumbnails) and popularity ranks of web sites into the Google and Yahoo search results pages. (This is my personal Favorite!!)

Firebug 1.2.1

[Description]

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page…

Firebug 1.2 requires Firefox 2 or 3.

Html Validator 0.8.5.2

[Description]

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon in the status bar when browsing.

The extension can validate the HTML sent by the server or the HTML in the memory (after Ajax execution)

Better Gmail 2 0.7

[Description]

Add useful extra features and skins to Gmail, like hierarchical labels, macros, file attachment icons, and more.

Gmail Notifier 0.6.3.9

[Description]

The original notifier for Gmail. Supports checking multiple accounts as well as Gmail Hosted accounts.

Quick TransLation (qtl) 12.6

[Description]

The most easy to use translation extension.

Simply select any word with your mouse and a translation box will pop-up.

Foxmarks Bookmark Synchronizer 2.5.3

[Description]

If you use Firefox on more than one computer, you’ll want Foxmarks. Install Foxmarks on each computer, and it works silently in the background to keep your bookmarks and (optionally) passwords synchronized. Foxmarks also keeps your data backed up and safe from computer failures. If you’re away from your computer, Foxmarks allows you to access your bookmarks online by logging into my.foxmarks.com.

TwitterFox 1.7.2

[Description]

TwitterFox is a Firefox extension that notifies you of your friends’ statuses of Twitter.

StumbleUpon 3.26

[Description]

StumbleUpon discovers web sites based on your interests, learns what you like and brings you more.

Delicious Bookmarks 2.0.104

[Description]

Delicious Bookmarks is the official Firefox add-on for Delicious, the world’s leading social bookmarking service (formerly del.icio.us). It integrates your bookmarks and tags with Firefox and keeps them in sync for easy, convenient access.

FoxClocks 2.4.97

[Description]

FoxClocks lets you keep an eye on the time around the world – or just your local time – by putting small clocks in your statusbar.

Chromifox 2 2.0.1

[Description]

A coat of Chrome for Firefox. Chromifox 2, a bright and soft blue theme for Firefox 3 on Windows, Linux, and Mac OS X, inspired by the appearance of the Google Chrome web browser.

Media Converter 1.0.1

[Description]

Download and convert online videos directly from your browser without the need for special software.
This is a video downloader and video converter in one simple extension.

DownThemAll! 1.0.3

[Description]

DownThemAll is all you can desire from a download manager: it features an advanced accelerator that increases speed up to 400% and it allows you to pause and resume downloads at any time.

DownThemAll is fast, reliable and easy-to-use! It lets you download all the links or images contained in a webpage and much more: you can refine your downloads by fully customizable criteria to get only what you really want!

DownThemAll is absolutely freeware and open-source. No Adware, no Spyware.

Video DownloadHelper 3.3

[Description]

The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.

Tab Mix Plus 0.3.7.3

[Description]

Tab Mix Plus enhances Firefox’s tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

NoScript 1.8.3.6

[Description]

Winner of the “2006 PC World World Class Award”, this tool provides extra protection to your Firefox.

It allows JavaScript, Java and other executable content to run only from trusted domains of your choice, e.g. your home-banking web site, guarding your “trust boundaries” against cross-site scripting attacks (XSS) and Clickjacking attempts, thanks to its unique ClearClick technology.

Such a preemptive approach prevents exploitation of security vulnerabilities (known and even unknown!) with no loss of functionality…

Experts do agree: Firefox is really safer with NoScript

Alexa Sparky 1.2.1

[Description]

Sparky is a free Firefox browser plugin built by Alexa, that accompanies you as you surf, providing useful information about the sites you visit without interrupting your Web browsing.

Compete Toolbar

[Description]Trust Scores help you experience a safer web by warning you of potentially malicious (spyware, phishing) web sites
Site Profiles tell you how popular the web site is, its rank, and how fast it is growing