Learning

Khan Academy is a nonprofit organization that believes in a free and world-class education for everyone. They provide very University-quality teaching through videos and exercises in subjects such as Economics, Biology, Chemistry, Mathematics, Computer Programming, and Art History. It is perfect for any student to complement their studies or any person who wants to dig into a new topic or refresh their knowledge without going back to school.

Founded by Harvard and MIT, edX is linked to many international universities and offers many extremely high-quality courses. The subjects include, Architecture, Art, Science, Communication, Law, Environmental Studies, Literature, Medicine, Engineering, Philanthropy, and many more. You can take the courses for free and only pay if you wish to have a certificate.

Open Culture has a very very extensive library of links to free courses in the following areas: Humanities and Social Sciences (such as Archaeology, Architecture, Communication, Design, Education, Film, Food, Law, Literature, Media Studies, Music and Performing Arts, Philosophy, etc.), Science (Aeronautics, Anthropology, Astronomy, Business, Chemistry, Data Science, Engineering, Math, etc.). Also, bonus points for the other lists the website includes, such as 1,150 Free movies, 700 Free Audiobooks, 800 Free Books!

Visual Capitalist is a platform that shares visual content on topics such as the economy, markets, and technology. Their mission is to cut the clutter and highlight the bigger picture with infographics and charts. For instance, their graphic about the world's most influential values shows how different world regions rank different values that drive human behavior, and their chart on the wealth gap reflects the distribution of US household wealth by generation.

Clearer Thinking is a website with free courses and quizzes that will help you with decision-making, habit-forming, and critical thinking. Some of their tools include a calculator that will help you make decisions based on how you value your time, between other tools and quizzes made to improve your understanding of yourself and the world.