LibreTexts

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Open textbooks and educational materials across disciplines

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SI Score: 75/100
Pricing: Not confirmed
Free plan: Not confirmed
Sign-up required: Not confirmed

open-textbooks educational-reference oer

Ask SI about LibreTexts

Answers use saved listing facts and recorded sources.

What it does

LibreTexts supports discovery, creation and adaptation of open textbooks, homework and accompanying educational resources.

Start with textbook discovery when you need a sustained explanation of a subject. Educators can also investigate the platform's creation and customization tools. Keep the selected work's own licensing and attribution context when adapting material rather than assuming the portal alone defines every reuse detail.

Sources

Home | LibreTexts (Oct 26, 2026)

SI Score

75/100

#1 in Reference

Based on published information. No hands-on task test.

Method 2.0 · Published source review Assessed Oct 26, 2026Score ceiling for this evidence: 84/100.

Product usefulness 75

Evidence

Educators find, create and remix textbooks, homework and related materials across subject libraries, producing adapted teaching resources.

Limits: AI review of saved source passages. No hands-on test, human approval or automatic-provider checker receipt.

Source links and check dates are in Sources and checks below.

Separate website checks

These checks do not add points to the SI Score. They inspect the website's HTML, not the product in use.

Basic website checksunknown

No check recorded.

HTML accessibility checksunknown

No check recorded.

Homepage HTML responseunknown

No check recorded.

Trackers in homepage HTMLunknown

No check recorded.

Page date hintsunknown

No check recorded.

Policy links do not verify a company's conduct. An HTML response time is not application speed. Tracker and accessibility checks miss behavior after page load. Copyright dates do not prove product upkeep.

How the SI Score works →

Unconfirmed details may be unassessed, absent from the pages checked or temporarily unreadable. A missing price does not mean the service is free.

Sources and checks

Supporting pages for product usefulness, site facts, prices and separate website checks. Each record keeps its own date. Reading a page does not establish how well the product performs in use.

libretexts.org/
- Product usefulness evidenceChecked Oct 26, 2026

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