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.

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.

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.

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.

Several computer science students at the University of Toronto and Seneca have made it their class project for this semester to port Ubiquity to Thunderbird and make it run there.

Therein lies the opportunity - using pieces of these default home pages (maintained by organisations that claim to have a social purpose, remember) for more good than simply repeatedly reminding users about the the brand of the product.

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

Ubiquity is an experiment two parts. It’s both an interface and a development platform. Ubiquity 0.1 focuses on the platform aspects, while beginning to explore language-driven methods of controlling the browser.

Today we’re announcing the launch of Ubiquity, a Mozilla Labs experiment into connecting the Web with language in an attempt to find new user interfaces that could make it possible for everyone to do common Web tasks more quickly and easily.

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.

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.

Flickr Uploadr 3.0 source download, and installers for Windows and Mac.

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

Links the Lightning Calendar extension for Mozilla Thunderbird to Google Calendar, enabling editing of your web calendar from your desktop.

Thunderbird is the ultimate open source desktop email app. Its pluggable interface lets developers freely build extensions to make it ever more useful. And ever more useful do a few key extensions make it.