OpenStax offers free digital textbooks and affordable teaching technology for high school and college, helping educators save time and support student success.

Peer reviewed, openly licensed, and totally free online! OpenStax textbooks come with free, aligned student and instructor resources. Explore our library of resources and decide what …

OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!

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© 1999-2026, Rice University. Except where otherwise noted, textbooks on this site are licensed under a Creative Commons Attribution 4.0 International License. Advanced Placement ® and …

OpenStax digital textbooks are free to access on openstax.org or as downloadable PDFs. For the screenshots below, we'll use OpenStax College Success as an example.