Did you know these universities offer free online courses to everyone?

There are many universities in the United States that offer free online courses, which are often called Open Courses or Massive Open Online Courses (MOOCs). Here are some American universities and resource platforms that offer free online courses:

1：UC Berkeley offers a wide range of science and math prerequisite courses, which you can take online through UC Berkeley Extension. These courses are certified and approved by the Academic Senate of UC Berkeley and have high academic rigor.

2：Harvard University offers a wide range of courses including law, world health, business, education, leadership development, computer science, etc. through its website.

3：Yale University provides complete professor explanation videos through Open Yale Courses, including syllabi, recommended reading, etc.

4：The MIT OpenCourseWare project of the Massachusetts Institute of Technology (MIT) provides more than 2,340 courses to the public, which are permanently open to the world.

5：Princeton University has opened some free courses on its official website, covering politics, economics, astronomy, religion, art, computers, etc.

6：Stanford University releases teaching videos through iTunes. Courses are free but require an account.

7：Columbia University's medical, law, business and journalism schools offer open courses, but you may need to "climb over the wall" to access them.

8：Duke University offers courses in research fields including engineering, biology, and computer science. The courses are divided into three types: free, paid, and third-party Coursera/edX cooperation.

9：Berklee College of Music provides a clear classification of courses, including free courses, degree courses, and study manuals.

10：Tufts University, one of the pioneers of open education courses, offers courses including dentistry, medicine, nutrition policy, veterinary medicine, arts and sciences, engineering technology, and international relations.

11：The University of Michigan provides publicly licensed content including course materials, videos, lectures, and student work.

12：The University of Washington's teaching courses are free and open to the public, and no registration is required.

13：Johns Hopkins Bloomberg School of Public Health offers course materials and syllabi for chronic diseases, global health, and injury prevention.

14:The University of Notre Dame offers courses in a variety of disciplines, from spacecraft engineering and theory to mathematics and theology.

In addition, there are online learning platforms such as Coursera, edX, Udemy, and Skillshare, which work with multiple universities to provide a wide range of free or low-cost online courses. These platforms cover courses in a variety of fields, from computer science to artistic creation.

The academic recognition of free online college courses in the United States varies depending on the course platform, the university providing it, and the specific course. Here is an overview of the academic recognition of some major platforms:

1:Coursera: Coursera works with top universities around the world to offer courses covering a wide range of disciplines, including computer science, mathematics, business, humanities, social sciences, medicine, etc. These courses are taught by university professors and have a high degree of academic recognition. After completing the course, students can obtain certificates issued by the university, which are widely recognized in both academia and the business community.

2:edX: edX is jointly launched by MIT and Harvard University and offers courses from top universities in the world. After completing the course, students can obtain a certificate of completion, which has a certain degree of recognition in academic and career development.

3:MIT OpenCourseWare (OCW): The open course resources provided by MIT are free to the public, and the course materials are the same as the course content for on-campus students. Although these courses do not provide credits, they are developed and taught by MIT professors, so they have a high degree of academic recognition.

4:Yale Open Courses: Yale University offers free open courses covering a variety of subjects, including art, science, history, etc. These courses are taught by Yale professors and have high academic recognition.

5:University of California, Berkeley: The online science and mathematics preparatory courses offered by UC Berkeley Extension are certified and approved by the Academic Senate of the University of California, Berkeley, and have the same high quality and academic rigor as the courses offered on the main campus.

6:Udemy: The courses offered by Udemy are more inclined to vocational and technical training, such as Excel operation, PPT production, etc. Although these courses may be useful in career development, their academic recognition is generally lower than that of courses offered by universities.

7:Khan Academy: The courses offered by Khan Academy are mainly aimed at basic education, such as mathematics and statistics. These courses are free and easy to understand, which are very helpful for learners who need to supplement their basic knowledge, but their academic recognition in the field of higher education may be limited.

In general, online courses offered by top universities usually have high academic recognition, especially the certificates obtained after completing the course can serve as strong evidence of academic and career development. However, for certain online course platforms, such as Udemy, the academic recognition of their courses may vary depending on the course content and the background of the instructor.