Open Education Resource (OER)
Open Educational Resources (OERs) are any type of educational materials that are in the public domain or introduced with an open license. The nature of these open materials means that anyone can legally and freely copy, use, adapt and re-share them. OERs range from textbooks to curricula, syllabi, lecture notes, assignments, tests, projects, audio, video and animation.
Vital Source - eTextbook Solutions
eTextbooks facilitate anytime, anywhere access. VitalSource Bookshelf allows students to read their digital learning materials on any device, with or without internet access. Interactive study tools help students stay engaged and learn better.