Which is the best free online course platform : edx,coursera,udacity or udemy?

Answer 1

I use Udacity, some courses are great, but some are really not useful at all.

Answer 2

Udemy is best for free courses

Answer 3

I use udemy, I have a pretty experience with it.
But I don't know the others, so I can't tell you who's better:(

I made this code in one udemy course, go and have a look!
https://code.sololearn.com/WtFm1pReJdog/?ref=app