For the benefit of new folks in the field, here's a list of some well known and

For the benefit of new folks in the field, here's a list of some well known and prestigious free online courses/books on Data Science and machine learning (for certificate you might have to pay though in some of these). Do add if you know any good free courses/resources in comments:

1) Machine Learning (Stanford University, Andrew Ng Course, Coursera)

This is a very respected course and widely accepted in machine learning industry.

https://www.coursera.org/learn/machine-learning

Do the assignments of this course in python as the course is in Octave language which isn't used that much in industry. Assignment solutions in Python.

https://github.com/dibgerge/ml-coursera-python-assignments

https://github.com/jdwittenauer/ipython-notebooks

2) Python Data Science Handbook (Jake VanderPlas)

Famous Python Data Science handbook topic-wise:

https://jakevdp.github.io/PythonDataScienceHandbook/

3) Fast.ai ML course (Jeremy Howard)

http://course18.fast.ai/ml

This course is designed by Kaggle 2 time competition winner Jeremy Howard and he is also chief scientist at Kaggle.

4) ML Course by IBM (edX)

https://www.edx.org/course/machine-learning-with-python-a-practical-introduct

5) Machine Learning Crash Course by Google

https://developers.google.com/machine-learning/crash-course/ml-intro

6) The Analytics Edge - Massachusetts Institute of Technology (MIT)

https://courses.edx.org/courses/course-v1:MITx+15.071x+1T2020/course/

7) Deep Learning (Andrew Ng, Coursera)

https://www.coursera.org/specializations/deep-learning