Lumen helps educational institutions reduce textbook costs and improve student success using open educational resources and learning analytics. It creates affordable digital course materials using open educational resources (OER). Every Lumen OER course is designed to improve learning and replace expensive textbooks in high-enrollment college courses. Adding timely updates, learning design, and technical support to OER, Lumen makes the transition to open content simple, reliable, and effective for instructors and students. It was founded in 2013 and is headquartered in Portland, Oregon.Something looks off?