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  1. OpenStax

  2. MIT offers over 2,000 free online courses - MIT Open Learning

  3. MIT OpenCourseWare | Free Online Course Materials

  4. Science, Maths & Technology - Free courses - OpenLearn

  5. Best Free Courses & Certificates [2025] | Coursera Learn Online

  6. Free Online Science, Technology and Society Courses from Top Universities

  7. PhET: Free online physics, chemistry, biology, earth science and …

  8. Open Access Books | IntechOpen

  9. Database of Free Online Computer Science and Programming …

  10. Free Technology Courses - LearnOutLoud

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