I actually didn’t know a lot about tracking myself, so I whipped up a Firefox add-on called Collusion to help me visualize it better. The results were a little unsettling.

I’ve put a demonstration up at collusion.toolness.org, which takes you through five popular websites and visualizes the data collection companies that track you across them. From there, you can download the add-on if you want to see the tracking visualization of your own browsing behavior evolve in real-time.

Jetpack is a Mozilla Labs project that enables anyone who knows HTML, CSS, and JavaScript to create powerful Firefox add-ons. The Jetpack Gallery is a community for developers and add-on users: Users get innovative add-ons that add functionality to Firefox, while developers receive valuable feedback and visibility in the Jetpack community.

Om de veiligheid en privacy van Firefox-gebruikers te vergroten, is er nu een verzameling van security plugins voor de opensource browser online verschenen. In juni van dit jaar lanceerde Mozilla een nieuw concept, genaamd de "Add-on Collection". Groepen add-ons die met een bepaald thema samenhangen en nu is daar ook de "Full Security Suite" bijgekomen. Vooralsnog bestaat de verzameling uit vier plugins, te weten, NoScript, BetterPrivacy, Adblock Plus en Web of Trust (WOT)

It’s 2009 and no browser vendor supports notifications for Webapps. The revolution begins today.

Ever wondered why you are still tracked though you tried everything to prevent it? BetterPrivacy is a Super-Cookie Safeguard which protects from usually undeletable LSO's (Flash-Cookies) or DOM Storage Objects. It blocks longterm tracking on Google, YouTube Ebay and many other domains.

Here’s a cool little trick I discovered by accident. If you use the excellent Firebug add-on for Firefox you can very easily download YouTube videos without resorting to websites like Keepvid or add-ons like Fast Video Download. Here’s how:

So, in an attempt to solve this problem and explore the possibility of ambient information in the browser, I’ve started a little experiment. It’s a Firefox Extension called “Ambient News”, and its goal is to provide the user with zero-cost news about the sites that they visit frequently. The extension requires no configuration; you just install it and see if it helps you out.

One of the most popular photo sharing web sites on the web is Flickr, and it does indeed have some very nice features. Their set/gallery view, however, is in my humble opinion not optimal, and therefore I’ve set out to improve it with Flick Gallery Plus!

When you visit a web site how do you know you're getting the best experience for you? That's the question the new Firefox add-on App Discover aims to solve. Once installed, the app could alert you if there were any enhancements (Greasemonkey, Firefox add-ons) or applications (Adobe AIR, Appcelerator Titanium, Fluid, Mozilla Prism) that work with the web site you're visiting.

You spend more time online than on the road, but you probably think more about avoiding traffic than enjoying the best of the Web. So, why not customize your Firefox for the things you really love to do? Take your browser from simple to spectacular.

Experience the Web, GrApple style, with Firefox: the fastest, easiest-to-use web browser in the world. With its simple, elegant interface, Firefox + GrApple gets out of your way and lets you enjoy the Web faster and nicer than any browser.

Quickly access all sizes for a Flickr photo. Copy the photo's HTML (or BB Code), download the image sizes, and more. The script has customisable settings and auto-updates itself.

Use Gmail? Get Xoopit! Upgrade Gmail to search, browse & share files, photos & videos. Use Google Search while composing mail in Gmail. Get information about people in a Gmail conversation. Xoopit works for Gmail, Google Mail and Google Apps users.

The Minimap Addon gives you a suite of in-built maps and mapping tools for your web browser. Drag and Drop addresses or address links you find on web pages to view their location in the Map Sidebar, or by manually adding locations. Preview addresses from within any webpage using the Map Panel and get larger scale maps with the Map Tab.

I’m a heavy tabbed browsing user - I have around 30 tabs open in my day-to-day Firefox profile all the time. Since the day Firefox 3 was released, I’ve noticed Firefox progressively getting slower with this particular Firefox profile (I use a different profile for web development). When it got to the point where changing tabs took a noticeable pause of 1-2 seconds, I tweaked some of Firefox’s session store and history preferences and now things are blazing fast again.

Inquisitor for Firefox (Beta)... speeds up your searches like no other. Start typing and websites appear instantly, along with suggestions to help refine your search. Inquisitor understands you, learning and tailoring your results as you search more.

ClearForest Gnosis is the cutting edge of real time semantic processing for the web. By evaluating the pages you read – as you read them – Gnosis immediately locates key information such as people, organizations, companies, products and geographies hidden within the text.

PageAddict is a Firefox extension that will help you monitor your Internet addiction. Once you install it, revisit this page (pageaddict.com) to see a summary of the time you've wasted on each web site. You can categorise different sites and restrict how much time you spend in each category in a day. PageAddict stores all information locally in your Firefox browser and does not send your private information to any external location.

Glubble Family Edition for Firefox allows your child to freely discover the best of the web you choose with your family circle online.

autoHideStatusbar is a Firefox, SeaMonkey, Thunderbird and Flock extension that hides the status-bar.

Firefox Plugin: The Drag & Drop.io - create drops and post files with just a flick of the wrist

A directory with builds of Google Gears for 64bit Linux.

How do I run Gears on my 64bit system?

A Google Gears build that shoud work on Ubuntu 64 bit.

The easiest way to do this is probably just installing 32bit Firefox and the aconmpanying plugins.

This Firefox extension allows you to save pages of interest to read later. It eliminates cluttering of bookmarks with sites that are merely of a one-time interest. A commenter below (Chris) summed it up very well: “It’s a ’staging area’ for bookma

The issue is the color profile - the map of what color the monitor displays for a given pixel value. The standard for web graphics is sRGB, which describes a limited gamut of colors that almost any device can display. Professional imaging tools (like thos

Now a days most of the fonts are shipped with kern hinting but very few applications make use of this extra information. Firefox 3 now officially supports kerning for text elements.

Prism brings web apps to your desktop in a neat package.

Deb Richardson wrote up an interesting piece today describing color profile support in Firefox 3. The result of a color profile is a more-accurate mapping from an original set of colors to better match the intended rendering.

NoSquint is a Firefox extension that allows you to adjust the default text zoom level, which is very useful if you have a small display or run at a very high resolution. NoSquint also remembers the zoom level per site (though you can disable that)

Enhances YouTube with Greasemonkey user scripts, that offer options like the FlowPlayer "doesn't start till you hit play" viewer, clean "theater" view, higher res videos, and links to download the video automatically.

Watch YouTube videos more efficiently with Better YouTube, a brand new Firefox extension that compiles our favorite YouTube Greasemonkey scripts into a single convenient package. Better YouTube smartly enlarges videos for better viewing, hides user commen

As the Web continues to evolve and more of our lives move online, we believe that Web browsers like Firefox can and should do more to broker rich experiences while increasing user control over their data and personal information.

Firefox sometimes gets a bad reputation for crashing or locking up when a plugin such as Adobe Flash or Windows Media Player causes a problem. This project aims to solve this issue by adding code to Firefox such that when a plugin misbehaves, a dialog is

Prism is an open source cross-platform prototype of functionality that lets users split web applications out of the browser and run them directly on the desktop.

PicLens instantly transforms your browser into a full-screen, 3D experience for viewing images on the web. Photos will come to life via a cinematic presentation that goes well beyond the confines of the traditional browser window. With PicLens, browsing a

The Glubble Add-on for Firefox allows your child to freely discover the best of the web you choose with your family.*

Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources.

Operator leverages microformats and other semantic data that are already available on many web pages to provide new ways to interact with web services.

A greasemonkey script that enables you to post from Google Reader to del.icio.us

Ask most Linux users and they say that spyware is not an issue with Linux. For the most part that’s true as most spyware comes in the form of installed applications. Tracking cookies, however, still apply to Linux

Extend Basecamp Project Management with this time saving firefox extension.

Post to Twitter from your Firefox address bar

Functionalities : Replace the stream by a simple button. Works with RealMedia, QuickTime and WindowsMedia streams. Allow the use of any capable media player. Support Media Metafiles (ram, rpm, wmv, wm, wma, asx, asf, ...). Etc...

today we've got our top 10 list of unauthorized and unofficial but hella-useful apps that make Gmail that much better.

# Glubble Trusted Surfing for children under 12 years of age enables families to be sure they only see the best of the web they choose to allow. # Glubble Altered Search makes Google and Yahoo show results from childrens trusted Glubbleworld instead of th

Everyone's favorite photo-sharing web application, Flickr, has had tons of ancillary applications and user scripts developed for it to tweak, mod and add to its functionality. Dozens of Greasemonkey user scripts have popped up that make Flickr better; so

Improve the look of Firefox widgets on Ubuntu Linux.

"To save you the time, I've compiled the best Greasemonkey scripts for Gmail into one handy Firefox extension, called Better Gmail."

"Javascript hackers have come up with some great Greasemonkey user scripts that make GCal easier to use, so I've compiled a few of my favorites into a single Firefox extension."

I occasionally like to clean my Firefox profile. I test quite a few extensions, and play around a bit, so every once in a while, I just want to clean up.

Google Browser Sync for Firefox is an extension that continuously synchronizes your browser settings – bookmarks, history, persistent cookies, saved passwords. It also allows you to restore open tabs and windows across different machines/sessions.

The Duplicate Tab Firefox extension allows you to clone a tab with its history and place the duplicate tab in a new window or in the current window. And it allows you to merge all tabs from different windows in one window.

The Textarea Backup Greasemonkey script automatically saves text you've entered into a web page's textarea so that you don't need to worry about losing your latest online opus.

This greasemonkey user script will protect users of web applications from their own forgetfulness. It watches textareas (multi line input boxes in web forms) for changes, and makes sure you don't throw them away.

This greasemonkey script shows full size images in a popup on Google Image search results pages.

Hate it when websites take it on themselves to resize your browser window? We do. Here are four simple steps to make sure that these Webdev control freaks never resize your Firefox window again

"Beyond the extensive options available in its menus and dialogs, there's a lengthy set of advanced Firefox preferences that can customize the browser to your specific needs." - Or: dive into about:config inside Firefox 2.

Sxipper is a free plug-in for Firefox that lets you log into any website with a single click. Sxipper saves you time by keeping track of all of your user IDs, passwords, and the personal data you share every day over the web. Sxipper logs you in securely

"An anoying thing on flickr is that you never know where people that visit your photo have found it. This is a small script that will add a small text at the end of your comment saying where you come from." - This works very well, and I think it's a great