Mozilla Firefox - faster, more secure, easier to use and sporting a new look, this latest Firefox release sets a new standard for web browser innovation. Mozilla Firefox project (formerly Firebird, which was formerly Phoenix) is a redesign of Mozilla's browser component, written using the XUL user interface language and designed to be cross-platform. It is small, fast and easy to use, and offers many advantages over other web browsers, such as the tabbed browsing and the ability to block pop-up windows.

Home Page - http://www.mozilla.com/

Download Link

Filesonic

http://www.filesonic.com/file/909773801/FirefoxPortable5.0.beta1.rar

Fileserve

http://www.fileserve.com/file/FMbhaKW/FirefoxPortable5.0.beta1.rar