- Khan Academy (https://www.khanacademy.org/) – Free online courses and educational resources in various subjects.
- Coursera (https://www.coursera.org/) – Access to online courses and degree programs from top universities and institutions.
- Udemy (https://www.udemy.com/) – A platform with over 130,000 online courses covering a wide range of topics.
- edX (https://www.edx.org/) – Free online courses and degree programs from top universities and institutions.
- MIT OpenCourseWare (https://ocw.mit.edu/index.htm) – Free access to thousands of MIT courses, lectures, and materials.
- TED-Ed (https://ed.ted.com/) – Educational videos and lessons from experts in various fields.
- Skillshare (https://www.skillshare.com/) – An online learning community with thousands of creative and professional classes.
- Alison (https://alison.com/) – Free online courses and certification programs in various fields.
- FutureLearn (https://www.futurelearn.com/) – Free and paid online courses and degree programs from top universities and institutions.
- Open Culture (http://www.openculture.com/) – A collection of free online courses, audio books, eBooks, and educational resources.
- Codecademy (https://www.codecademy.com/) – Learn to code and build websites and apps with interactive lessons and projects.
- Udacity (https://www.udacity.com/) – Online courses and degree programs focused on tech skills and career development.
- Academic Earth (https://academicearth.org/) – Free access to online courses and lectures from top universities.
- Harvard Online Learning (https://online-learning.harvard.edu/) – Free and paid courses and programs from Harvard University.
- MITx (https://mitx.mit.edu/) – Free online courses and programs from MIT.
- Stanford Online (https://online.stanford.edu/) – Free and paid online courses and programs from Stanford University.
- Carnegie Mellon Open Learning Initiative (https://oli.cmu.edu/) – Free access to online courses and learning materials.
- NovoEd (https://www.novoed.com/) – Collaborative and interactive online courses and programs for career development.
- Canvas Network (https://www.canvas.net/) – Free online courses and programs from various universities and institutions.
- Babbel (https://www.babbel.com/) – Language learning app and courses with interactive lessons and conversation practice.
- Rosetta Stone (https://www.rosettastone.com/) – Language learning software and courses with speech recognition technology.
- Duolingo (https://www.duolingo.com/) – Free language learning app with gamified lessons and practice.
- Memrise (https://www.memrise.com/) – Language learning app and courses with mnemonics and interactive features.
- Quizlet (https://quizlet.com/) – Study tools and flashcards for a variety of subjects and languages.
- Crash Course (https://thecrashcourse.com/) – Educational YouTube channels with entertaining and informative videos on various subjects.
