Last night, I read a passage on Zhihu Daily.It recommended lots of wonderful websites to learn online.I also noted some websites that was fresh for me.So here I decide to try to sort out some excellent websites I have already known.Definitely that means I will update this list when I find more.And I’m sorry that this list may almost match my own hobbies,such as coding. MOOCs(Massive Open Online Course): Coursera(Maybe the most popular MOOC website) edX(Almost from Harvard and MIT) Udacity(The course archive is always there) XuetangX(Chinese courses offered by Tsinghua University) Some others: ...