⚛ Here are the top 10. All completely free. All worth your time. 👇
🟢 Beginner Level
🔵 Course 1 — #IBM Quantum Learning
Run real #quantum circuits on actual IBM hardware from lesson one. Free #IBM Developer Certificate prep included. The only course where you learn AND execute on real quantum computers.
👉 learning.quantum.ibm.com
🦊 Course 2 — Xanadu Codebook
Every concept is a coding exercise in your browser. No installation. Uses PennyLane, the framework trusted by quantum ML teams at NASA and Volkswagen.
👉 codebook.xanadu.ai
🦁 Course 3 — QWorld QBronze
University-style curriculum with Jupyter notebooks. Covers every major gate, Grover's algorithm and Bell states with full worked numerical examples.
👉 qworld.net/qbronze
🔵 Intermediate Level
🦉 Course 4 — MIT OpenCourseWare #Quantum Computation
The actual MIT course. Full lecture notes, problem sets and exams. Shor's algorithm, quantum complexity theory, error correction codes. All free.
👉 ocw.mit.edu
🐬 Course 5 — Qiskit Textbook
Every algorithm is coded and executed. #VQE, #QAOA, Quantum Fourier Transform. Not theory on a whiteboard. Real runnable code.
👉 qiskit.org/learn
🐧 Course 6 — University of St Andrews on Coursera
The clearest hardware overview available. Superconducting vs trapped-ion vs photonic explained fairly. Audit completely free.
👉 coursera.org
🟣 Advanced Level
🦕 Course 7 — Google Cirq Tutorials
Google's own framework used internally by the team that achieved quantum supremacy. Submit jobs directly to Google's Sycamore processor.
👉 quantumai.google/cirq
🦝 Course 8 — #Quantum #Cryptography by Caltech on edX
Why quantum makes current internet encryption breakable. BB84, NIST post-quantum standards, Shor's threat model. Audit free.
👉 edx.org
🦋 Course 9 — #Quantum Computing Since Democritus by
@Scott Aaronson
Not a how-to course. A why-does-any-of-this-matter course. The best explanation of why quantum is actually powerful. Free on YouTube.
👉 YouTube — search Scott Aaronson
💡 The honest truth abo