Open CourseWare:
- Carnegie Mellon University Open Learning Initiative
- John Hopkins School of Public Health OpenCourseWare
- Lumen Learning
- MIT OpenCourseWare
- Mountain Heights Academy Open Courseware (9-12)
- The Open Academy
- OER Africa
- Open Course Library
- Open Education Consortium Course Search
- OpenLearn
- Open.Michigan
- Open Yale
- Saylor Academy
- SUNY OER Ready-to-Adopt Courses
- TU Delft OpenCourseWare
- Wikiversity