OpenStax
OpenStax: A strong fit for free open textbooks, PDF access, and LMS-linked assignments. Ranked #11 of 28 in Digital Textbook Platforms by our editors (6.5/10); pricing: Free plan; best for free open textbooks with LMS assignments.
At a glance
- Editor score6.5 / 10
- PricingFree plan
- Best forFree open textbooks with LMS assignments
- Free planYes
- Access modelMixed
- Founded2012
- Facts checked20 Sep 2026
Where it wins
- Free online textbooks with downloadable PDFs and no expiration date
- Open licensing supports content customization and adaptation
- Assignable adds auto-grading and LMS grade synchronization
Where it doesn't
- Courseware is separate from the free textbook library
- Web is the listed platform coverage
- Institutional administration tools are not included
Our verdict on OpenStax
OpenStax is a nonprofit Rice University initiative offering free, openly licensed, peer-reviewed digital textbooks for high school and introductory college courses. Students can read online or download PDFs, highlight text, add notes, and create study guides. Educators receive resources such as test banks and slides, while open licensing supports content customization. The core library is designed for institutions and instructors seeking accessible textbook content without requiring students to purchase the digital books.
OpenStax uses a freemium model with two main offerings. OpenStax digital textbooks include online reading, PDF downloads, and access with no expiration date. OpenStax Assignable is optional courseware that adds assignments, assessments, auto-grading, LMS grade synchronization, and supplemental learning materials. The published starting price is 15 for Assignable, while the core textbook library is free. Learning management system integration makes the paid tier more relevant for courses that need assignment workflows and synchronized grades rather than reading access alone.
Its clearest strength is the combination of free textbook access and adaptable, openly licensed content. That makes OpenStax a practical choice for educators who want established course materials, downloadable access, and instructor support without making the textbook itself a paid requirement. The main boundary is focus: the offering centers on textbooks and optional courseware for high school and introductory college subjects, rather than a broad institutional administration suite. Web is the listed platform coverage, so buyers prioritizing a dedicated native application should look elsewhere. Choose OpenStax when open content and LMS-linked assignments matter most; consider an alternative when deeper administration tools or a wider subject and platform scope are priorities.
OpenStax pricing
All 2 OpenStax plans and prices →
OpenStax fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Access model | Mixed |
| Offline access | Yes |
| Annotation tools | Yes |
| Institutional admin | Not verified |
| Device support | Web_desktop_mobile |
| Read-aloud support | Yes |
| Deployment | Cloud, Mobile |
| Platforms | Web |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 1 integrations: Learning management systems |
| Pricing | Free plan (source) |
| Website | openstax.org |
| Facts checked | 20 Sep 2026 |
OpenStax integrations
OpenStax lists 1 integrations on its own site.
- Learning management systems
Alternatives to OpenStax
- BibliUA complete institutional platform for textbooks, courseware, access, and analytics.9.6
- KITABOOA full-featured textbook platform for publishers and institutions with rich integrations.9.0
- LibreTextsA free textbook library with remixing, interactive content, and optional paid learning tools.8.2
See all OpenStax alternatives →
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