- edx.org
edX offers over 2,000 free online courses from MIT, Harvard, Boston University, etc. They cover Business and Administration, Computer Science, Humanities, Design, Art and Culture, etc. - coursera.org
Coursera, in collaboration with more than 200 leading universities and companies such as IBM, Google, University of Michigan, etc., offers free online courses on computer science, health and medicine, programming, engineering, data science, etc. - codeacademy.com
Codeacademy is specifically for people who want to learn to code with various languages including HTML and CSS, Python, C ++, Java, Ruby, C #, etc. Provides a live practice demo and dashboard to monitor your progress. - open.edu
Open University offers around 1000 free courses and a student will receive a certificate of participation upon completion. They cover careers in childhood and youth education, health and sports, society, politics and law, etc. - khanacademy.com
Khan Academy offers free online courses for children ages 2-18 and adults. His subjects include life skills, economics, reading and language, arts, test preparation, etc. - ed.ted.com
TED-ED has a growing library of original animated videos that support your learning and are mostly 15 minute videos. They cover Philosophy and Religion, Psychology, Teaching and Education, Social Studies, Thinking and Learning, Arts, etc. - alison.com
Alison offers free online courses on marketing, humanities, languages, math, technology, etc. - online-learning.harvard.edu
Harvard now offers a variety of free courses on different topics through its online platform. These courses include Introduction to Artificial Intelligence, Game Development, Digital Humanities, Foundations of Neuroscience, to name a few. - Learndigital.withgoogle.com
Google offers a free digital marketing course for one to study the fundamentals of digital marketing and Google products. Google awards an accredited certificate upon completion. - futurelearn.com
Future Learn offers free online courses on politics and society, psychology and mental health, creative arts and media, nature and environment, etc. Keep sharing.