Need professor ratings, old exams, and more study tools all for free

So I always had trouble deciding which professor to take and what hearing from other students is the best way to decide as they can give you first hand experience and advice.  I found using koofers.com a great way to find suggestions for what professors to take.  This website is free so don't hesitate to keep reading.

They provide really good professor ratings because so far I have been very happy with the professors I have had.  They also have a lot of great study tools like old exams and other interactive features which can help you prepare and study for upcoming tests and quizzes. 

You guys should definelty sign up and check it out. Remember it's free so there's really no catch. It is offered to help students and is run based on student submissions.