OpenStax
Verified working Aug 3, 2026
A free catalog of college textbooks organized by subject.
OpenStax provides free college-level textbooks across a range of academic subjects. The site is aimed at reducing course-material costs by making textbook access available online through a subject-based catalog.
Why it stands out
- Focused specifically on college textbooks rather than general learning content.
- Free access is central to the service, making it useful for cost-sensitive courses.
- Organizes materials by subject, which fits how instructors and students typically search for textbooks.
- Backed by an access-and-affordability mission rather than a commercial textbook sales model.
Good to know
- The site requires JavaScript to use.
- Its scope is college textbooks, not a full course platform with tutoring, grading, or live instruction.
- Coverage depends on the subjects and titles OpenStax has available, so it may not replace every required course text.
Photos
College instructors and students who need no-cost textbooks for standard courses can browse subject areas for suitable materials. Find an affordable replacement for a commercial textbook in an intro-level class. Preview available books before assigning readings or sharing links with students. Explore textbook options across multiple disciplines from one central catalog.
Subject-based browsing for college textbook titles; free access to educational materials; coverage across multiple academic categories; web-based catalog for finding available books.
Alternative listings
A faculty-focused guide to free textbook and courseware alternatives.
Open educational resources & free learning platformsThis University of Rhode Island ITS article introduces open educational resources and summarizes five free platforms instructors can use to replace or supplement commercial course materials. It covers LibreTexts, OpenStax, OER Commons, MIT OpenCourseWare, and the Open Textbook Library, with notes on content types, disciplines, licensing, customization, and LMS-related support.
0 votesVisit siteOpen textbooks and adaptive homework tools for educators.
Open educational resources & free learning platformsLibreTexts is a nonprofit platform for finding, adapting, and publishing open educational materials. It hosts subject-based textbook libraries, supports remixing chapters into custom course texts, and connects those materials with interactive elements such as homework questions, notebooks, videos, and visualizations.
0 votesVisit site
Similar sites elsewhere
- Open Textbook Library — open.umn.edu/opentextbooks
- LibreTexts — libretexts.org
- BCcampus OpenEd — open.bccampus.ca
- OER Commons — oercommons.org
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