- Edx online Courses:
Founded by Harvard University and MIT in 2012, edX is an online learning destination and MOOC provider, offering high-quality courses from the world’s best universities and institutions to learners everywhere.
- Khan academy
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.
- Coursera online courses
Every course on Coursera is taught by top instructors from the world’s best universities and educational institutions. Courses include recorded video lectures, auto-graded and peer-reviewed assignments, and community discussion forums. When you complete a course, you’ll receive a sharable electronic Course Certificate.
- Open Culture
Brings together high-quality cultural & educational media for the worldwide lifelong learning community.
- Future Learn’s online courses
Offer a diverse selection of courses from leading universities and cultural institutions from around the world. These are delivered one step at a time, and are accessible on mobile, tablet and desktop, so you can fit learning around your life.
- Udacity online courses
Udacity is where lifelong learners come to learn the skills they need, to land the jobs they want, to build the lives they deserve.
- Free Online Courses Stanford University
https://www.class-central.com/university/stanford
- Academic Earth / Online courses