Open education resource platforms

Connextions (CNX)

Groups of instructional and informational modules structured into books or course notes.

Creative Commons

Open source of images and other creative content for reuse

Merlot II

Enormous archive of learning materials include courses, lesson plans, images, videos, syllabi, quizzes, exams, and textbooks.

MIT Open Source

Massachusetts Institute of Technology (MIT) open resources

OER Commons

Large OER platform with materials relevant for K-12 and beyond

Open Stax

Peer-reviewed texts written by professional content developers.

Open Textbook Library

A collection of free and open textbooks from colleges, governmental agencies, education non-profits, and other education-related organizations

Lumen Learning

Full curriculums with necessary resources. A one stop shop.