📚 General Study & Learning
- Khan Academy - Free courses on various subjects, including math and science.
- Coursera - Online courses from top universities.
- EdX - University-level courses in different fields.
- Academic Earth - Free college-level courses from top institutions.
- Udemy - Affordable online courses on various topics.
📝 Homework Help & Explanations
- Chegg - Homework help and textbook solutions.
- Course Hero - Study guides and class notes.
- Bartleby - Homework solutions and writing assistance.
📖 Notes & Study Guides
- Quizlet - Flashcards and learning tools.
- StudySmarter - AI-powered learning platform.
- SparkNotes - Literature study guides and summaries.
🧠 Writing & Research Help
- Grammarly - Grammar and spell checker.
- Google Scholar - Academic papers and research articles.
- Scribbr - Citation and plagiarism checker.
🏆 STEM (Math & Science)
- Wolfram Alpha - Computational knowledge engine for math and science.
- Symbolab - Step-by-step math problem solver.
- Khan Academy - Math - Free math lessons and practice problems.
📜 History & Social Studies
- HistoryExtra - Articles and historical resources.
- Digital History - Comprehensive US history database.
- World History Encyclopedia - In-depth articles on world history topics.
🎨 Arts & Music
- Drawspace - Learn to draw with step-by-step tutorials.
- MusicTheory.net - Interactive lessons on music theory.
- Artsy - Learn about famous artists and their works.
🌍 Language Learning
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