Ever wanted to write your own Firefox extension, but thought the process was too drawn out or difficult to do?  Jetpack is looking to use open Web technologies to enhance the browser.  The idea here is that if you can make a web page, you will be able to build an add-on for Firefox.
This video does a great job at giving you a basic walk-though of what Jetpack development looks like thus far:

Mozilla Labs Jetpack – Intro & Tutorial from [...]

In a nutshell, Greasemonkey is an add-on for Firefox that allows you to customize a web site’s look and function.  Now you don’t have to be a coder to use it though, because there are already hundreds of scripts out there available for free that you can use to help you do a number of different things.
How Do You Use Greasemonkey?
Once you have installed Greasemonkey, you will see the little monkey’s head come up in your status bar.  From [...]

We have looked at the ten most popular search extensions for Firefox, however we can not overlook the many popular search engines you can add to the Firefox search box.
Most Popular Search Plugins for Firefox *

YouTube – Find all kinds of cool web videos.
IMDB – Quickly find that one actor that was in that movie you just saw.
Wikipedia – The web’s encyclopedia.
Album-Cover-Art.org – Quickly find album art from your favorite musical artists.
isoHunt – BT search – Find ISO images [...]

Got a great idea for a Mozilla-based t-shirt?
Inspired by the Firefox 3 t-shirt design contest, the new Mozilla Community Store gives you the chance to design a shirt for Mozilla anytime you wish.  It is time to take that great idea to the public, and Mozilla will help you do it (as long as it is Mozilla related).
Here are a few of my favorites I have seen thus far…
    
Every shirt they have listed was created by the [...]

Some time ago, I told you about my favorite tutorial for people wanting to know how to build their own Firefox theme.  I am happy to say that the twisted-one himself, TwisterMc has updated his digital class in Firefox design to cover Firefox 3.
There are a few requirements, such as getting your own unique UUID, giving TwisterMc some credit, and coming up with something original – but those are easily done in exchange for the knowledge you will be receiving.
[...]

Over at CyberNet they have posted a great guide on how to create your own smart bookmarks. Smart bookmarks are the new feature to Firefox 3 that allow you to bring up your saved links in new, unique and useful ways. For example, you could browse through your most recently bookmarked links, your most recently visited links, and so on.
Check out Create Your Own Smart Bookmarks in Firefox 3!

I got an E-mail the other day from a guy who wanted to know if I knew of a starting spot for people to visit if they were interested in making extensions for Firefox. I had to do some hunting around – but then I found this link via Mozilla’s own Web site:
Extensions are small add-ons that add new functionality to Mozilla applications such as Firefox and Thunderbird. They can add anything from a toolbar button to a completely [...]

Say what bad things you want about them, I have to thank webmonkey.com for teaching me many different things when I first came Online. I still remember their tables tutorial, with the plate of food as an example, like it was written yesterday. Well this time the team is back at it again, but this time they are showing you how to create your own Firefox extension.
Today let’s take a look at how one goes about creating these [...]