What is the best platform to learn new skills online for free with certification?

You’ll be pleased to hear you’ve got a few options to choose from.

Source

  • Oxford Home Study College
    • 15 free online courses covering subjects ranging from Internet Marketing to Event Management.
    • Free certification upon completion sent via email.
  • Open2Study
    • Plenty of courses to choose from.
    • Free informal qualification/credit upon completion to demonstrate your interest in learning about this area to potential employers or educational institutions.
  • Google Digital Garage
    • Digital skills that range from business marketing to social media strategy.
    • Really nice layout and extremely easy to use.
    • Free digital cert

You’ll be pleased to hear you’ve got a few options to choose from.

Source

  • Oxford Home Study College
    • 15 free online courses covering subjects ranging from Internet Marketing to Event Management.
    • Free certification upon completion sent via email.
  • Open2Study
    • Plenty of courses to choose from.
    • Free informal qualification/credit upon completion to demonstrate your interest in learning about this area to potential employers or educational institutions.
  • Google Digital Garage
    • Digital skills that range from business marketing to social media strategy.
    • Really nice layout and extremely easy to use.
    • Free digital certificate upon completion.
  • Alison
    • While the courses are free, there’s a fee to attain the certificate upon completion.
    • Digital Certificate: €21 (£19/$26), Print Certificate: €27 (£24/$33), Framed Certificate: €37 (£33/$46).

There are many educational apps and websites which are good but personally I felt that https://witkali.com/ has some of the best contents which helps very much in online learning.
About :-
Founded by Naveen and Ashwin, bhRtya Automation Pvt. Ltd. is a start-up headquartered in Kadur, Karnataka, which is recognized by the Government of India.
Features :-
1)Seal of quality
2)One price for similar courses
3)Experience lab at home
Best courses:-
1)Artificial Neural Network and Its Applications
2)Intuition Behind Robotics for Beginners
3)Spoken English
4) Biology
5) Chemistry
6)NEET e

There are many educational apps and websites which are good but personally I felt that https://witkali.com/ has some of the best contents which helps very much in online learning.
About :-
Founded by Naveen and Ashwin, bhRtya Automation Pvt. Ltd. is a start-up headquartered in Kadur, Karnataka, which is recognized by the Government of India.
Features :-
1)Seal of quality
2)One price for similar courses
3)Experience lab at home
Best courses:-
1)Artificial Neural Network and Its Applications
2)Intuition Behind Robotics for Beginners
3)Spoken English
4) Biology
5) Chemistry
6)NEET exam preparation
And many more..
Link :-
https://witkali.com/

One of the trusted sites is Coursera.com. You will find ample online courses in different fields.

Good luck. :)