
Coursera

Coursera collaborates with universities and other organizations to provide online courses, certifications, and degrees in a wide range of topics.
EdX

Harvard and MIT founded edX is a massive open online course provider in the United States. It offers online university-level courses in a variety of disciplines to a global student body, with some courses available for free.
Khan Academy

Sal Khan founded Khan Academy, a non-profit educational organization in the United States, in 2008. Its goal is to develop a set of online tools that will aid in the education of students. The organization creates video lessons with short lessons.
Udemy

Udemy, Inc. is a for-profit massive open online course provider that caters to working adults and students.
Coursary

Find online courses from all of the top universities and platforms with a free course search. In one simple search, you can compare courses.
Stanford Online

Stanford Online is a Stanford University educational initiative that provides a variety of professional education opportunities.
Code Academy

Codecademy is a free online interactive platform that teaches programming languages such as Python, Java, Go, JavaScript, Ruby, SQL, C++, C#, Swift, and Sass, as well as markup languages such as HTML and CSS.
LinkedIn Learning

LinkedIn Learning is a massive open online course provider based in the United States. It offers video courses in software, creative, and business skills taught by industry experts. It is a LinkedIn subsidiary.
Skillshare

Skillshare is an online learning community based in the United States for people who want to learn through educational videos. The non-accredited courses can be accessed through a subscription. The majority of courses emphasize interaction over lecture, with the primary goal of learning through project completion.
MIT OpenCourseWare

The Massachusetts Institute of Technology’s OpenCourseWare initiative aims to make all of the educational materials from its undergraduate and graduate-level courses freely and openly available online to anyone, anywhere.