Mozilla Firefox (abbreviated officially as Fx, but also commonly as FF), is a free web browser descended from the Mozilla Application Suite, managed by the Mozilla Corporation. Firefox had 18.41% of the recorded usage share of web browsers as of May 2008, making it the second-most popular browser in current use worldwide, after Internet Explorer.

Firefox uses the open source Gecko layout engine, which implements some current web standards plus a few features which are intended to anticipate likely additions to the standards.

Firefox includes tabbed browsing, a spell checker, incremental find, live bookmarking, a download manager, and an integrated search system that uses the user's desired search engine. Functions can be added through around 2,000 add-ons created by third-party developers.

Firefox runs on various versions of Microsoft Windows, Mac OS X, Linux, and many other Unix-like operating systems. Its current stable release is version 3.0, released on June 17, 2008.

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FfVb

FfVb: Firefox + VBulletin extension (1.12) (download)

FfVb is a powerful extension that gives you more control over your message board experience. Ever had to put a user on ignore only to find their threads and quotes still show up? This extension fixes that by not only ignore those too, but their entire existance is stripped right out of the page. Their threads, posts and quotes will just be gone.
Other features including ignoring threads, prefixes, keywords, highlighting users, thread list in the sidebar and more.
See below for a complete list.
Change Logs / More Info

About VBulletin:
VBulletin is the leading software for message board websites across the internet, constantly evolvin and growing to meet the needs of the entire world communication needs. If there is a topic to discuss, there's a message board online dedicated to that topic and chances are, VBulletin is the software powering it.
Visit VBulletin.com

Feature List:

  • Context menu means no more typing. Just right click on the users/threads/prefixes to add them to your list!
  • Ignore users feature that strips posts, threads and quotes of selected users right out of the page.
  • Ignore threads by keywords
  • Ignore threads by prefx (new vb 3.7 feature)
  • Highlight people's threads/posts/quotes that you enjoy reading most.
  • Ignore threads that you don't want to see anymore without ignoring the user that made it.
  • Put thread list into the sidebar with custom reload intervals
  • Convenient "sub menu" with page navigation, user cp, new thread, new reply and forum navigation attached to bottom of browser.
FfJM

FfJm: JustMommies Message Board Extension (1.3) (download)

FfJM simply attaches the main user menu to the bottom of your browser where it is always handy no matter what part of the page you are viewing.
Objects are rearranged and added for convenience, such as the forum navigation as well as page navigation. The entire bar hides out of sight as it passes under the quick reply box and even has the option to hide the header of the page and the welcome message to help you get straight to he posts/threads faster.
See below for a complete list.
Also included is a "Magic Paste" feature which will add [IMG] [/IMG] tags automatically when pasting an image into your post. If these already exist (ie, using photobucket), then this will not re-add the tags again. Change Logs / More Info

About JustMommies.com:
Just Mommies is a site offering information and advice in all aspects of conception, pregnancy and being a mother. With hundreds of forums covering all aspects of motherhood, you will find all the information you need, find others who relate to you and even have a little fun.
Visit JustMommies

Feature List:

  • Copy the UserLinks menu from the top of the page and attach it to the bottom of the browser.
  • Add in Forum Navigation menu and Page Navigation menu to the box.
  • Add in New Thread and New Reply links when ever available.
  • Add in options to turn off the header and welcome blurbs at the top of the page to save space.
  • "Magic Paste" feature automatically adds [IMG] [/IMG] tags when pasting an image into your post.
FiTunes

FiTunes Sidebar Extension (0.01) (download)

FiTunes presents to you the top albums, singles and also the newest releases right in your Firefox sidebar.
Press ctrl+shift+i to open up your itunes sidebar or go to the "View" menu, choose Sidebars and select FiTunes! Your sidebar will open to the default top 25 albums, or it will open to the last list you had opened. You can also choose album cover sizes to view.
See below for a complete list.
Change Logs / More Info

About iTunes.com:
Version 4 of iTunes introduced the iTunes Music Store (later renamed to the iTunes Store) from which iTunes users can buy and download songs for use on a limited number of computers and an unlimited number of iPods. Many songs purchased from the iTunes Store are copy protected with Apple's FairPlay digital rights management (DRM) system.

In the years since, movies, television shows, music videos, podcasts, and video games have been added to the extensive iTunes Store's catalog.

To date, song downloads have topped over 5 billion. Visit iTunes.com

Feature List:

  • Tabbed sidebar displays top 25 albums, top 25 singles or top 25 new releases.
  • Small, Medium and Large sized album covers to choose from.