If you are reading this and want to know that it is really true that this website provides online free courses then you heard right .
It provides lots of courses from MIT and harvard university and many other well known university.
The courses are free and if you want to take degree of your course then you have to pay about 49$ or 99$ depending upon course.
It provides video lectures and written pdf notes which is very handy .
It has ita own app on android and ios platform so very good concept.
The professors are well known and the quality of education is also very much unique so if you want to learn everything and dont want to spend anything then you must try this.
Thank you.