GRADIFI

[Gradifi.com]s a website that helps students choose their courses in college. On the site, a student can cut and paste their online transcript, rate their courses based on a few metrics and then receive personalized recommendations and performance predictions on courses they're thinking of taking. Gradifi currently offers four main features: personalized course recommendations, performance prediction, analysis on school-wide grade distributions, and rankings based on material, difficulty, and teacher comprehension. Competitors include [RateMyProfessors](http://www.ratemyprofessors.com) and [Rateaprof](http://www.rateaprof.com).