Short answers, pulled from the story.
OpenStax is a nonprofit educational technology initiative based at Rice University that produces peer-reviewed, openly licensed textbooks for undergraduate education. It was founded in 2012 and publishes free digital editions alongside low-cost print versions under Creative Commons licenses.
As of January 2024, OpenStax reported saving $2.9 billion in education costs since its founding in 2012. Those savings reflect cumulative use by 7 million students across 150 countries.
College Physics was the first OpenStax textbook, published online, in print, and in the iBooks Store in 2012.
Most OpenStax books are released under the CC BY (Creative Commons Attribution) license, which allows instructors to use, adapt, and remix the material as long as they attribute OpenStax. Calculus is available under the CC BY-NC-SA license.
Seventy percent of higher education institutions in the United States use OpenStax materials, according to data reported in January 2024.
OpenStax Tutor Beta launched in June 2017 as an adaptive courseware platform built on cognitive science principles and machine learning. It was discontinued in October 2022.