List of Websites which offers online certification courses

List of Websites which offers online certification courses 

1. Swayam- https://swayam.gov.in/

2. NPTEL- https://onlinecourses.nptel.ac.in/

3. Mooc- http://mooc.org/

4. Edx - https://www.edx.org/

5. Coursera https://www.coursera.org/

6. Udacity - https://in.udacity.com/

7. Udemy - https://www.udemy.com/

8. Khanacademy - https://www.khanacademy.org/

9. Skillsahre - https://www.skillshare.com/

10. Harvard University - https://online-learning.harvard.edu/

11. Ted - https://ed.ted.com/

12. Alison - https://alison.com/

13. Futurelearn - https://www.futurelearn.com/

14. Web Development - https://digitaldefynd.com/best-free-web-development-courses-tutorials-certification/

15. Digital Marketing - https://digitaldefynd.com/best-free-digital-marketing-certifications/

16. ios app development - https://digitaldefynd.com/best-ios-app-development-course-tutorial/

17. Open Learn - http://www.open.edu/openlearn/

18. Future Learn - https://www.futurelearn.com/

19. Tuts Plus - https://tutsplus.com/

20. Open Culture - http://www.openculture.com

Most of these courses are free to learn.