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.

Explore free interactive coding courses in web development, data science, and various languages. Codecademy offers a fun, collaborative learning environment with community support, personalized paths, skill assessments, and more, covering both foundational and advanced concepts.

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...

Udemy is an online learning and teaching marketplace with over 80000 courses and 24 million students, it uses content from online content creators to sell for profit.

Based on a long history of collaboration and their shared educational missions, the founders are creating a new distance-learning experience. Anant Agarwal, former Director of MIT's Computer Science and Artificial Intelligence Laboratory, serves as the first president of edX.

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.

Free online courses from top universities and cultural institutions.

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...

CourseFinder helps you find the course that’s right for you. Whether you're looking for a job, changing careers or just looking for a course to develop your hobby, CourseFinder is the perfect place to start.

Treehouse teaches Web Design, Development and iOS to people everywhere, in order to help them achieve their dreams and change the world.

Domestika offers expert-led courses for creatives, covering disciplines like Illustration, Photography, Animation, and Craft. Access courses on Adobe software, Procreate, and more, with lifetime access and community interaction. Suitable for beginners to advanced professionals.

Peer 2 Peer University (we usually just say P2PU) is a grassroots network of individuals who seek to create an equitable, empowering, and liberating alternative to mainstream higher education.