Openstax.org Popularity Chart from 01/01/2018 to 10/18/2025
OpenStax - OpenStax provides free college textbooks to make education affordable and accessible for all students
| Related Site | Description |
|---|---|
| Khanacademy.org | Khan Academy - Free online courses & lessons |
| Ck12.org | CK-12 Foundation - Free STEM educational resources |
| Coursera.org | Coursera - Online courses from top universities |
| Edx.org | edX - Free online university courses |
| Archive.org | Internet Archive - Free digital library |
| Lumenlearning.com | Lumen Learning - Open educational resources |
| Merlot.org | MERLOT - Free teaching and learning materials |
| Oercommons.org | OER Commons - Open educational resource library |
| Textbookequity.org | Textbook Equity - Free college textbooks |
| Github.io | Saylor Academy - Free online courses |
| Mit.edu | MIT OpenCourseWare - Free MIT course materials |
| Uci.edu | UC Irvine OpenCourseWare - Free university courses |
| Cmu.edu | Open Learning Initiative - Free courseware |
| Colorado.edu | PhET Interactive Simulations - Free science simulations |
| Libretexts.org | LibreTexts - Open-access textbook platform |
| Boundless.com | Boundless - Free open textbooks |
| Open.edu | Open University - Free learning resources |
| Saylor.org | Saylor Academy - Free online education |
| Wikibooks.org | Wikibooks - Open-content textbooks collection |
| Cnx.org | OpenStax CNX - Open educational content |
| Gutenberg.org | Project Gutenberg - Free eBook library |
| Doaj.org | Directory of Open Access Journals - Free academic articles |
| Doabooks.org | Directory of Open Access Books - Free academic books |
| Oapen.org | OAPEN - Open access academic books |
| Openbookpublishers.com | Open Book Publishers - Free academic books |
| Springeropen.com | SpringerOpen - Open access research articles |
| Plos.org | PLOS - Open access scientific journals |
| Arxiv.org | arXiv - Free pre-print research papers |
| Jstor.org | JSTOR - Digital library for academic work |