MOOC

MOOC -  a  massive open online course is an online courses aimed at unlimited participation and open access via the web.
In addition to traditional course materials, such as filmed lectures, readings, and problem sets, many MOOCs provide interactive courses with user forums to support community interactions among students, professors, and teachers, as well as immediate feedback to quick quizzes and assignments. 

These are an examples of the most popular MOOC platforms:

1. Canvas.net

This MISSION:To promote OPENNESS, INNOVATION, and EXPERIMENTATION in education by providing educators access to professional development courses and programs that will help them thrive and succeed in their careers.

This platform provides open entry for learners around the globe and continual access to course content after the course end date.

2. Coursera.org

Every course on Coursera is taught by top instructors from world-class universities and companies, so you can learn something new anytime, anywhere. Hundreds of free courses give you access to on-demand video lectures, homework exercises, and community discussion forums. Paid courses provide additional quizzes and projects as well as a shareable Course Certificate upon completion.

• 100% online
• Learn something new in 4-6 weeks

• Priced starting at about $39 (USD)
• Earn a Course Certificate

3. edX.org

 Open edX is the open-source platform that powers edX courses and is freely available. With Open edX , educators and technologists can build learning tools and contribute new features to the platform, creating innovative solutions to benefit students everywhere.

People all over the world can join this platform. Whether you are interested in computer science, languages, engineering, psychology, writing, electronics, biology, or marketing, so you can deside what course do you want to have.