Since Facebook is the king of the hill when it comes to social networks, there have been a lot of add-ons dedicated to making it better.  Facebook is great, but is not without flaws.  Thankfully, these Firefox add-on developers have worked out some of the kinks and have masterminded some of the best add-ons for Firefox to date. 
Here are my top five Facebook add-ons you can add to Firefox.

Facebook seems to quickly be outgrowing the other social networks by leaps and bounds.  It is hard to find a friend that hasn’t switched over to it from the other social networks like MySpace and the like.  So with that said, why not grab a toolbar that will help you get a little more out of your Facebook usage and help you stay connected with your friends even better?

One thing is for sure, with the correctly equipped Firefox browser, you too can become a better web designer or developer. How so? Well, Firefox has some really great tools for both of these jobs. Finding the one that doe the best job, is another job all on it’s own.
Firefox has a lot of web development add-ons you can use, however these are the best of the best at what they do.

Console² – Console² (pronounced Console Squared [...]

Do you use a lot of Google services?  The Firefox add-on, GButts, will help you get quick and easy access to any Google service you want, next to your address bar or anywhere else you might need it.
Here are all the Google services you can quickly show or hide via the extension.

You can customize how much space you want to save with the options across the bottom (by making the menu a toolbar or a drop down menu).  You [...]

The Back to Close add-on for Firefox adds a simple ergonomic feature to Firefox I am sure a lot of people will enjoy.  When you are browsing via the browser or via a tab, if there is no history to go “back” to via the back button – it displays a “close” button instead.

This simple change adds functionality back to the toolbar.  The extension also works with mouse gestures and and by configuring the back button on your mouse [...]

Want to get Chrome’s thumbnail preview page when you open a new tab in Firefox?
Google has ported one of Chrome’s most popular features to Firefox, the personalized new tab screen.  The only catch is that you have to use the Google Toolbar to get it.  Your new tab page looks exactly like Chrome’s after the install of the Google Toolbar 5 Beta. 

When do you get this fantastic new edition?  This happens when you launch a new tab( hit Ctrl+T, [...]

Tired of the way your Firefox bookmarks toolbar looks?  Here are some easy tweaks you can make, as long as you have the Stylish add-on installed.
Gradient Background for the Bookmarks Bar

Hide the Bookmarks Toolbar, Forever!

Hide only the Folder Icons on the Bookmarks Toolbar

Hide ALL Icons on the Bookmarks Toolbar

Auto-Hide the Bookmarks Toolbar

Icons Only (text on hover) via the Bookmarks Toolbar)

Save on Space! Compress Bookmarks Toolbar Items

To make use of any of these changes, go download and check out the [...]

Running out of room in your bookmarks toolbar?  You could do some spring cleaning – but winter is quickly coming upon us.  Next idea?  Well the Smart Bookmarks Bar add-on for Firefox promises to simplify your cluttered bookmark rat’s nest.
 
It shrinks your bookmarks down to only the favicons.  So what?  Well, the magic happens when you hover over one of the bookmarks.  Bookmark names will be displayed when you mouse over them.  Pretty nifty, right?
You can pick up the [...]

How is that for a Firefox add-on name?  Alright, truth be told I might have added a little to it.  The toolbar’s name is really just the Ultimate MySpace Toolbar.  I think my name has a little more flare though.  This MySpace toolbar offers a lot of nice features including:

Easily navigate MySpace from anywhere on the web
Stay connected to MySpace.com with persistent login
Receive notifications with updating messages
Clean up messy profile pages with the “Simplify” button
Make your profile look good [...]

It has been a long time since I spend a lot of quality time with Digg.com, but I know a lot of you might be excited to see they released a new toolbar for Firefox 3.  You can divide things into two major features, the new notifications and the toolbar itself.

Digg Firefox 3 Extension from Kevin Rose on Vimeo.
Here are Digg’s official descriptions of these two new key features:
Notifications: No matter where you are on the web, you can discover [...]