openstax.org
Website
OpenStax | Free online textbooks, affordable learning technology, and open educational resourcesOpenStax is the world’s largest publisher of open education resources (OER) and a provider of integrated learning technologies and education research for high school and college. We are a global nonprofit at Rice University.
OpenStax | Free online textbooks, affordable learning technology, and open educational resourcesOpenStax is the world’s largest publisher of open education resources (OER) and a provider of integrated learning technologies and education research for high school and college. We are a global nonprofit at Rice University.
Open Education and Responsible AI | Dr. Richard Baraniuk (OpenStax) | 2024 Open Education ConferenceThe latest video on its YouTube channel
Own this business? See what is holding the score back.
Truth score
Business details
- Founded
- 2012
- Owned by
- Rice University
- Sells
- Digital products
- Kind of seller
- Charity or non-profit
- Licensed trade
- No licence normally needed
- Domain age
- 15 years
- Address
- 6100 Main Street MS-375 Houston, TX 77005
- Email address
- support
@openstax.org - Phone number
- Not found
- Contact page
- openstax.org/
contact - Website
- openstax.org
- Social media
Customer reviews
No reviews foundWe looked on Trustpilot, SmartCustomer, G2, Capterra, Reviews.io and Feefo
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</a>Summary
Is openstax.org legit and trustworthy? Truth score 84 out of 100, high truth signals: 7 of 10 public checks clear, 3 for information. Legitimacy confidence: high. Customer satisfaction: not enough reviews to say.
We read 3 of its pages: contact, about and privacy. Its website address was registered 15 years ago, and is locked against transfer to someone else. No malware or phishing warnings found for its website. We could not find a customer rating or a phone number.
Important context: Truth Signal weighs public evidence about this business. A high score means strong evidence that the business is established and legitimate, not a promise that it is safe to buy from or that every purchase will go well. A low score means the evidence is thin or raises concerns, not that the business is unsafe or a scam.
Positives
- We read 3 of its pages · contact, about and privacy.
- Its website address was registered 15 years ago.
- No malware or phishing warnings found for its website.
Not found
- Reviews information was not found from our checks.
- Phone number information was not found from our checks.
What they offer
OpenStax is the world’s largest publisher of open education resources (OER) and a provider of integrated learning technologies and education research for high school and college. We are a global nonprofit at Rice University.
OpenStax offers support and help through their help page, which can be found in the sources below.
Latest YouTube video
Correct as of
How to check if openstax.org is legit
To check if openstax.org is legit yourself, look at the same public records we did: the company register, who owns the web address and since when, customer reviews, visitor numbers, how long the site has existed, social profiles, malware lists, data breaches and email security. Each row below shows what that record says about openstax.org; open a row to see the facts and the source to check them yourself. Step by step: how to know if a shopping site is legit.
Who they are
Company detailsBased in the US; serves the US; part of Rice University; founded in 2012 (Wikipedia)
- Where the company is based
- US
- Why we believe that
- the site's structured data states its country, its postcode is a US zip code
- Which countries the company serves
- US
- Why we believe that
- $ prices on its homepage
- Parent company
- Rice University
- Founded
- 2012
Domain registrationIts website address was registered 15 years ago
- Its website address is locked against being transferred to someone else
- Domain age
- 15 years
- Domain transfer lock enabled
- Yes
Website detailsWe read 3 of its pages: contact, about and privacy
- Company contact email is available
- HTTPS enabled
- Yes
- Contact phone number found
- Not found
- Contact page found
- Contact page
Quoted word for word from openstax.org.
- In their own words
- “OpenStax is a nonprofit education initiative of Rice University. We make free, peer-reviewed materials that millions of students use, and we study what actually helps them learn. OpenStax began as Connexions, a project built on a simple frustration: a textbook that cost $300 and taught the same thing as every other textbook on the shelf.” About page
Reputation and track record
Customer reviewsWe found no page for it on any review website, such as Trustpilot
| Platform | Rating | Reviews |
|---|---|---|
| Trustpilot | Not found | |
| SmartCustomer | Not found | |
| G2 | Not found | |
| Capterra | Not found | |
| Reviews.io | Not found | |
| Feefo | Not found | |
| Trustindex | Not found | |
| Not checked |
Visitor trafficReal people visited its website in 24 of the last 24 months
- Real people have visited its website since February 2021 or earlier
- It is among the 50,000 most-visited sites on the internet (Cloudflare Radar)
- Popularity among Chrome users
- top 50,000 sites
- First known user traffic
- Feb 2021 or earlier
- Months with real traffic, of the last 24
- 24
- Traffic pattern
- sustained
- Rank jump in the last 12 months
- none
- Rank drop in the last 12 months
- none
- Popularity across the internet
- top 50,000 sites
Web history and authorityFound: wikipedia page
- Wikipedia page
- yes
Social presenceIt is on 5 social media platforms (Facebook, Instagram, LinkedIn, X and YouTube); the largest audience is 26,107 followers on Facebook
- Its YouTube channel has 12,300 subscribers and 590 videos, the latest uploaded on 3 Aug 2026
| Platform | Profile | Audience |
|---|---|---|
| Profile | 26,107 followers | |
| Profile | 3,131 followers | |
| X | Profile | 10,000 followers |
| Profile | 6,165 followers | |
| YouTube | Profile | 12,300 subscribers |
| TikTok | Not found |
- Social platforms with discovered profiles
- facebook, instagram, linkedin, x, youtube
- Social follower counts
- 57,703 followers in total
- YouTube channel
- 590 videos, 12,300 subscribers, last upload 3 Aug 2026
What data this site collects about you
What its privacy policy saysWe found this business stores and uses your data
- Collects where you are.
- “When you use our Services, information such as your IP address, browser type, geolocation, and pages you visit may be tracked via cookies.”
- Says you can ask it to delete your data.
- “To request deletion of your OpenStax personal data, please fill out the Data Deletion Request Form or email [email protected] .”
- Has a data protection officer you can contact.
- “Who is our Data Protection Officer, and how do I contact that person?”gdpr
@rice.edu
Tracking tools on its homepageGoogle Analytics, Google Tag Manager, Google Ads and Meta Pixel
Named in its homepage's code when we read it. Others may load later, so this list may not be complete.
- Google Analytics
- Counts your visits and what you look at.
- Google Tag Manager
- Loads other tracking tools, which may not be listed here.
- Google Ads
- Tracks what you do to show you Google adverts.
- Meta Pixel
- Tells Facebook and Instagram what you do on its site, for adverts.
Uses CookieYes to ask which cookies you allow.
Safety
Malware and phishingNo malware or phishing warnings found for its websiteThis check is not perfect: it can miss a harmful site, and it can wrongly warn about a safe one.
- Malware or phishing threat status
- None
Data breach historyNo known data breach involving the company
- Known data breaches found
- 0
Domain and email securityIts email is only partly protected: mail forged in its name is reported but not blocked
- Its email identifies its real senders, but mail forged in its name is not blocked
- MX records
- Yes
- SPF record
- Yes
- DKIM key
- Yes
- DMARC record
- Yes
- DMARC policy
- none
- Security certificate browsers warn about
- No
- Certificate issuer
- Amazon
- Certificate type
- DV
- Certificate expires
- 28 Mar 2027
- Nameservers
- ns-1195.awsdns-21.org
ns-2027.awsdns-61.co.uk
ns-358.awsdns-44.com
ns-602.awsdns-11.net - Address
- 18.165.227.48
18.165.227.10
18.165.227.34
18.165.227.118