Portable Opera @USB - Web browser

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 newsfeeds and IRC chat. Additionally, Opera offers the ability to add extra tools via widgets.

Authors Website: http://opera-usb.com