Michael Nielsen's personal notes and essays on quantum computing, quantum mechanics, and physics.
Freely available introductory and advanced physics textbooks covering mechanics, waves, electromagnetism, and modern physics.
Physics Hypertextbook; online reference covering classical mechanics, electricity, optics and modern physics.
OpenStax CNX hosts peer-reviewed open textbooks in physics, mathematics, and other sciences that can be read and adapted freely.
Personal website by physicist John Walker with educational essays, calculators, and explorations of physics phenomena.
Online reference covering numerical methods, special functions, and mathematical physics.
Personal interactive visualizations and explainers for physics and mathematics concepts.
Hypertextbook covering mechanics, waves, optics, electricity, and modern physics with problems.
Introductory college physics text and problems.
Collection of interactive visual demonstrations and problems in mathematics and mathematical physics.