10 BEST FIREFOX EXTENSIONS –

CUSTOMIZE YOUR BROWSER

IE Tab

Embeds Internet Explorer in a Mozilla/Firefox tab.

Tab Mix Plus

More tweaks added to tabs. Ability to select and open muliple links in tabs, open link in a duplicated tab, merge tabs and close tabs from similar domain…

ScrapBook

Save Web pages and manage the collection. Key features are lightness, speed, accuracy and multi-language support.

FoxyTunes

Control your favorite media player without ever leaving your Firefox

Foxmarks

 Install Foxmarks on each computer, and it will work silently in the background to keep your bookmarks synchronized. 

WiseStamp

Customize & add personalized email signatures on any webmail service (Gmail ,Yahoo Mail ,AOL mail, Hotmail).Empower your personal and business interactions

Shareaholic

Share, bookmark and e-mail web pages quickly without leaving your browser.

TwitterFox

Notifies you of your friends' tweets on Twitter.

Scribefire – for bloggers

Integrates with your browser to let you easily post to your blog: you can drag and drop formatted text from pages you are browsing, take notes, and post to your blog.

Firebug– for developers

View, edit, and monitor CSS, HTML and Javascript live at any web pages