Browsers

From Wikipedia: http://en.wikipedia.org/wiki/Web_browser 

A web browser is a software application which enables a user to display and interact with text, images, videos, music, games and other information typically located on a Web page at a website on the World Wide Web or a local area network.

There are many free alternatives to the browser that came with your system:

From http://en.wikipedia.org/wiki/Usage_share_of_web_browsers