2. Mozilla Firefox is a web browser descended from the Mozilla Application Suite and managed by Mozilla CorporationCorporation. Firefox had 21.73% of the recorded usage share of web browsers as of February 2009, making it the second-most popular browser in current use worldwide, after Internet ExplorerExplorer. To display web pages, Firefox uses the Gecko layout engineengine, which implements some current web standards plus a few features which are intended to anticipate likely additions to the standards. Firefox includes tabbed browsingbrowsing, a spell checkerchecker, incremental findfind, live bookmarkingbookmarking, a download managermanager, and an integrated search system that uses the user's desired search engine (Google Googleby default in most localizations). Functions can be added through add-ons created by third- party developersdevelopers, the most popular of which include Tab Mix Plus customizer, FoxyTunes media player control toolbar, Adblock Plus ad blocking utility, StumbleUpon (website discovery), Foxmarks Bookmark Synchronizer (bookmark synchronizer), WOT: Web of Trust security site advisor, DownThemAll! download enhancer, and Web Developer toolbar.

3. Open Source - Open source software (OSS) is defined as computer software for which the source code and certain other rights normally reserved for copyright holders are provided under a software license that meets the Open Source Definition or that is in the public domain. This permits users to use, change, and improve the software, and to redistribute it in modified or unmodified forms. It is very often developed in a public, collaborative manner.computer softwaresource codecopyrightsoftwarelicenseOpen Source Definitionpublic domain 5000+ Add-ons Smart Location Bar Many Other Features

4. Many Different looks Themed appearance Add-ons –Colorful Tabs –Any Color –Multi-row Tabs

5. Pop-up Blocker Addons –Ad Block plus –Ghostery –Interclue –WOT

6. Bookmark/Favorites Menu Add-ons –Add Bookmark Here –Bookmark Preview –Fox Tab –Google Preview –Site Launcher

7. Websites that you like to go on a regular basis Add-ons –Bookmark Menu Bar –Brief –Morning Coffee

8. Last Pass IE Tab

9. Hundreds and thousands of possibilities You are free to pick and use what-ever best works for you.