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.

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

An amazing website for developers I would like to be thankful to the creator of this website because this helps me a lot. I highly encourage developers to use this, I am definitely sure that this will be very helpful for them.

that site helped me a lot that site helped me a lot. a lot of usefull informations are here i hope other users will get benefit from this as well.