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 includes a popup blocker, tabbed browsing, a smarter search, hassle free downloading, and improved privacy and security.
Download:
http://mozilla.osuosl.org/pub/mozilla.org/firefox/releases/granparadiso/alpha7/win32/en-US/Gran%20Paradiso%20Alpha%207.exe
