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Founded by Harvard and MIT, edX is a global nonprofit platform offering university-level courses, MicroMasters programs, Professional Certificates, and even online Master's degrees. It emphasizes acad...

Tsinghua University is a major public research university in Beijing and China's most prestigious institution, often called 'China's MIT.' It is a leader in engineering, technology, and computer scien...

OpenStax offers free, peer-reviewed textbooks for high school and college students. Its content is aligned with national standards and includes interactive elements such as quizzes and simulations, ma...

Swift Playgrounds is an innovative app from Apple that teaches kids how to code using Swift, the same programming language used by professional developers. It uses a series of interactive puzzles and...

Code.org is the leading non-profit organization dedicated to expanding access to computer science in schools. Their platform is the gold standard for educators, offering a complete, standards-aligned...

Brilliant focuses on developing quantitative and scientific thinking through interactive, problem-solving courses. Instead of video lectures, learners engage with guided puzzles and challenges in math...