Khan Academy
Free courses on math, science, history, and more. Interactive videos and exercises for all ages.
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Coursera
Online courses from top universities. Earn certificates, degrees, or just learn for fun.
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Massive open online courses from MIT, Harvard, and other institutions. Free to audit.
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Gamified language learning. 30+ languages with bite‑size lessons and fun streaks.
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Thought‑provoking talks on science, technology, education, and more, all free.
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Encyclopedia on everything. A reliable starting point for research.
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Comprehensive tutorials on programming, databases, and more with code examples.
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