The following is a comprehensive explanation of each of the fifteen websites that provide free educational resources:
Khan Academy.
“Khan Academy” is a non-profit educational organization that offers a free online platform that provides students of all ages with instructional videos, practice activities, and a personalized learning dashboard. the Khan Academy is available to students. and Khan Academy covers a wide variety of topics, including but not limited to mathematics, physics, economics, history, computer programming, art, and more.
Coursera (offers some free courses).
Coursera is an online learning platform that collaborates with educational institutions and organizations all around the globe to provide students with the opportunity to take courses, earn certifications, and enrole in degree programmes. There are a number of courses on Coursera that require money; however, the platform also provides financial assistance and free courses, and it covers a wide range of topics that are taught by reputable schools and qualified professors.

edX.
Harvard University and the Massachusetts Institute of Technology established edX, a massive open online course (MOOC) provider. It offers courses at the university level that cover a broad variety of subject areas. The course materials, which include video lectures, quizzes, and interactive learning experiences, are accessible without charge, and there is also the possibility of obtaining a validated certificate for a fee while using this platform.
MIT Open Course Ware.
MIT OpenCourseWare (OCW) is a web-based publication that makes practically all of the information that is taught in MIT courses publicly accessible to anybody, anywhere in the world. This collection includes lecture notes, assignments, examinations, and other materials from MIT’s undergraduate and graduate-level courses in a variety of disciplines of study.
Udemy.
While most courses on Udemy require payment, the website also offers a diverse selection of free courses covering topics such as business, personal development, and programming. Learners are able to acquire useful information without incurring any costs by taking advantage of these free courses, which are often introductory or lesser versions of premium courses.
Codecademy.
Codecademy, which is an interactive online platform that provides free coding lessons in a variety of computer languages. These languages include Python, Java, HTML/CSS, and JavaScript. It offers learners the opportunity to build their coding abilities at their own speed by providing them with hands-on exercises, projects, and a community that is encouraging.
Stanford Online.
Stanford Online provides free educational resources, seminars, and courses that are taught by academic members from Stanford University as well as professionals from many industries. The course includes a wide range of topics, including engineering, computer science, entrepreneurship, and the humanities, and it gives students the opportunity to access educational information of a high standard that comes from a respected university.
Harvard Online Learning.
Teachers and specialists from Harvard University produce a variety of online materials, including webinars, online courses, and other resources, which users can access for free. These are able to interact with Harvard’s academic material from a distant location thanks to these programmes, which include a broad variety of fields such as law, medicine, business, and public health.
Alison.
Alison is an online learning platform that provides free courses, degrees, and certifications in a variety of sectors, such as information technology, business, language learning, health, and more. Self-paced courses, examinations, and interactive multimedia material are all included in this learning environment, which offers a customizable learning experience.

OpenStax.
OpenStax is a non-profit educational effort that provides publicly licenced textbooks and educational materials of the highest possible quality. These textbooks and resources are peer-reviewed. In addition to providing students and teachers with unrestricted access to textbooks and additional materials, these resources span a wide range of areas, including mathematics, physics, social sciences, and the humanities.
FutureLearn.
FutureLearn is a digital education platform that provides both free and paid online courses from some of the most prestigious colleges and institutions in the world. When it comes to certification, many of the courses offered by FutureLearn require money; however, the platform also offers access to a variety of free courses that enable students to investigate a wide range of subjects and acquire new skills.
TED-Ed.
TED (Technology, Entertainment, Design) runs TED-Ed, an educational initiative. Educators and animators produce free instructional films and courses under this initiative. Learners of all ages may benefit from these materials since they cover a broad range of subjects, such as science, literature, history, and philosophy. They encourage learners to think critically and develop intellectual curiosity.
Academic Earth.
,Academic Earth is a platform that brings together free online lectures and classes from the most prestigious educational institutions all around the globe. It makes higher education available to students all around the world by providing a comprehensive collection of video lectures and course materials that cover a wide range of subject areas.
Duolingo (language learning).
It is a well-known language-learning programme known as Duolingo, which provides free interactive courses in more than thirty different languages. Because it takes a gamified approach to language learning, it incorporates activities in reading, writing, listening, and speaking, making it appropriate for students of varying degrees of proficient language ability.
YouTube.
Channels like Crash Course, TED-Ed, Khan Academy, and numerous others offer a vast array of educational information. YouTube is a useful resource for informal learning and self-improvement since it provides high-quality videos covering a wide range of topics, including science, history, and literature, as well as lessons on a variety of skills and fields of study.