This is a very good and useful web app I've had quite nice experience with the website. The fact that all the courses are free is mind-blowing. I wish it will not get corrupted like similar websites.

İ like it very much İ like it very much, this app is very helpful for students also who interested in programming languages and other things.

An amazing program An amazing program, the ui is eye-catching, it helped me a lot.

Very useful web app from talanted boy Very useful web app from talanted boy. User friendly interface to interact.

Hit or miss quality but... Fair for the price! The quality of the courses is hit or miss, but once you learn to quickly separate the chaff from the wheat, this becomes a great resource!