The Grainger College of Engineering is the engineering college of the University of Illinois at Urbana-Champaign. It was established in 1868 and is considered one of the original units of the school. Every engineering program in the college is ranked among the best in the US. and in the world. The department has historically spearheaded worldwide innovation in technology with inventions such as the transistor, the integrated circuit, the LED, the first web browsers (Mosaic and Netscape), and (JavaScript) all produced by students, faculty or alumni of the college. Engineering alumni founded Mozilla, AMD, PayPal, Yelp, YouTube, Tesla and Oracle.