TED-Ed AlternativesOnline Education Services and other similar apps like TED-Ed

Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.

We are committed to making the best education in the world freely available to any person who seeks it. We envision people throughout the world, in both developed and developing countries, using our platform to get access to world-leading education that has so far been available...

Provides online courses from leading global universities, offering flexible, convenient learning experiences. Focuses on integrating technology to transform both on-campus and worldwide education, offering both free and paid courses with certificate options.

Online university-level technical courses. We believe university-level education can be both high quality and low cost. Using the economics of the Internet, we've connected some of the greatest teachers to hundreds of thousands of students all over the world.

Brilliant.org, also known as Brilliant, is a website and associated community that features problems and courses in mathematics, physics, quantitative finance, and computer science.

Free online courses from top universities and cultural institutions.

Open Yale Courses (OYC) provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University.

FUN: Higher Education Excellence. Online, Free and Open Courses.

A million ways to learn, one place to discover, track and measure all of it. Get recognized for your skill, knowledge, and accomplishments with Degreed.

MasterClass makes it possible for anyone to learn directly from the world's best. MasterClass pairs world-class instructors with Hollywood directors and Silicon Valley engineers to create a brand new type of learning experience.

Browse subject categories to explore new topics or look for reference material for a course you are already studying.

Pocket Scholar is a science-learning platform centered around breaking down complicated science topics into smaller chunks that makes them easier to understand. We believe in a future where everyone has access to high quality, college level content that they actually can...