Portable Opera @USB is a simple, yet powerful portable web browser based on Opera that you can take with you on a USB flash drive or portable hard drive. Opera is almost a cross between FireFox and Internet Explorer. It is easy to use and includes many neat features such as pop up blocking, e-mail program, RSS news feeds and IRC chat. Additionally, Opera offers the ability to add extra tools via widgets.
Portable Opera USB Browser Screenshot:
Authors Website: http://opera-usb.com
License: Open Source
Download: Get Portable Opera HERE