Notely - free, full function, student organizational tool

"Notely is free, easy to use, has a mobile site and has lots of great features. Notely includes a Calendar, To-Do list, Homework organizer, Notes section, and allows you to organize links, contacts, files, and your classes. You can upload files to keep them organized with your class notes."

http://educationaltechnologyguy.blogspot.com/2011/03/notely-free-full-function-student.html

http://www.notely.net/index.php