Free textbooks (aka open textbooks) written by knowledgable scholars are a relatively new phenomenon. Below, find a meta list of Free Physics Textbooks, part of our larger collection 200 Free Textbooks: A Meta Collection. Also see our online collection, 1,700 Free Online Courses from Top Universities.
- Age of Einstein, by Frank W. K. Firk, Yale University.
- Calculus-Based Physics by Jeffrey W. Schnick, Saint Anselm College
- Classical Electrodynamics by Bo Thidé, Uppsala School of Engineering
- College Physics (introductory, algebra-based, two-semester college physics book) by OpenStax
- Conceptual Physics by Benjamin Crowell, Fullerton College
- Conservation Laws by Benjamin Crowell, Fullerton College
- Essential Physics 1, Frank W.K. Firk, Yale University
- Fields by Warren Siegel, SUNY
- General Relativity by Benjamin Crowell, Fullerton College
- Introduction to Groups, Invariants & Particles, by Frank W. K. Firk, Yale University
- Introduction to String Field Theory by Warren Siegel, SUNY
- Introduction to Statics and Dynamics by Andy Ruina and Rudra Pratap, Cornell University
- Mountain Motion by Dr. Christoph Schiller PhD, trained at Université Libre de Bruxelles
- Optics by Benjamin Crowell, Fullerton College
- Principles of Modern Physics — Robert B. Leighton, Caltech
- Programming Languages: Application and Interpretation by Dr. Shriram Krishnamurthi, Brown University
- Simple Nature: An Introduction to Physics for Engineering and Physical Science Students by Ben Crowell, Fullerton College
- Superspace: One Thousand and One Lessons in Supersymmetry by Warren Siegel. Jim Gates, Marc Grisaru, and Martin Rocek, SUNY, McGill, University of Maryland
- The Feynman Lectures on Physics by Richard Feynman, Robert B. Leighton and Matthew Sands
- Volume 1: Read Online Now
- Volume 2: Read Online Now
- Volume 3: Read Online Now
- The Light and Matter Series (Six texts) by Benjamin Crowell, Fullerton College
- Vibrations and Waves by Benjamin Crowell, Fullerton College
- The Modern Revolution in Physics by Benjamin Crowell, Fullerton College
- The People’s Physics Book by James H. Dann, UC Santa Cruz
- 21st Century Physics Flexbook: A Compilation of Contemporary and Emerging Technologies, by the Secretaries of Education and Technology and the Department of Education in the state of Virginia