The Internet is a treasure trove for college students if they chose to use it appropriately. This author based on her web usage highlights some of the popular apps on the Web and offers tips to customize them for your college education.
For e.g. the Book Finder is a neat site/tool that allows you to compare prices on more than 125 million books for sale from 4,000 sellers. This tool itself makes it worth it if it can save your thousands of dollars.
Other tools include research and collaborative tools. Check out the list.