https://www.khanacademy.org - A free online resource offering lessons in a variety of subjects, including math, science, and humanities.
https://www.coursera.org - An online platform providing access to courses from top universities and organizations worldwide.
https://www.edx.org - A nonprofit online learning platform offering high-quality courses from leading institutions.
https://ed.ted.com - A platform for educational videos and lessons, featuring engaging animations and discussions on various topics.
https://www.duolingo.com - A fun and interactive platform for learning new languages through games and exercises.
https://quizlet.com - A study tool that allows users to create flashcards and quizzes for various subjects to enhance learning.
https://www.nationalgeographic.org/education - Offers resources and articles focused on geography, science, and cultural education.
https://www.scholastic.com - Provides educational resources, articles, and books for students, teachers, and parents.
https://www.pbslearningmedia.org - A platform offering free educational resources, videos, and lesson plans for teachers and students.
https://www.futurelearn.com - An online learning platform that offers courses from universities and cultural institutions around the world.
http://www.openculture.com - A collection of free educational and cultural media, including online courses, audiobooks, and films.
https://academicearth.org - Offers free online courses and lectures from some of the world's top universities.
https://learnzillion.com - Provides high-quality video lessons and teaching resources for K-12 educators.
https://www.skillshare.com - An online learning community offering thousands of classes in various creative and professional fields.
https://www.codecademy.com - An interactive platform for learning coding and programming languages through hands-on practice.
https://www.w3schools.com - A web development tutorial site that provides resources for learning HTML, CSS, JavaScript, and more.
https://www.teacherspayteachers.com - A marketplace for educators to buy and sell original teaching resources and lesson plans.