"WebSnake is a fast way to search, grab and retrieve files from the Internet while you are busy doing other things. WebSnake filters data and retrieves only the information you want, when you want: review while bypassing Web bottlenecks. With WebSnake you will enhance your productivity by maximizing the power of your Web browser.
Some Features:
Retrieve files from any Website that contains descriptive words which are "key" to you.
Retrieve a list of e-mail addresses from a Website.
Mirror" a Website.
Save a site map, with all the links, structure, and organization."