| Academic Earth | www.academicearth.org/ | Alarge collection of free online college courses as well as over 1,500 video lectures |
| LUMEN Learning | www.courses.lumenlearning.com | Highly-recommended courses |
| MIT OCW | www.ocw.mit.edu/index.htm
| Explore over 2,200 online courses |
| MOOCs For Development | www.mooc4dev.org/ | Massive Open Online Courses (aka MOOCs) |
| NOUN e-Courseware | www.nou.edu.ng/courseware | A repository of available digital course material of the National Open University of Nigeria |
| OER Commons | www.oercommons.org/ | Peer-reviewed OER in a variety of disciplines for all grade levels. |
| OERu | www.oeru.org/courses/ | Free university-level courses |
| OnlineCourses | www.onlinecourses.com/ | A collection of over 500 free online classes from accredited universities. |
| OpenCourseWare | www.ocw.tudelft.nl/ | An open digital publication of high quality university‐level educational materials. |
| Open Education Database (OEDb) | www.oedb.org/open/ | A comprehensive collection of free online courses from accredited universities. |
| OpenLearn | www.open.edu/openlearn/ | Free access to course materials and expert opinion on topical issues. |
| Saylor Academy | www.learn.saylor.org | Build new skills or work towards a degree at your own pace with free Saylor Academy courses. |
| The Open University | www.openuniversity.edu/ | Short courses and certifications in addition to more traditional undergraduate and graduate degree programs. |
| UNESDOC Digital Library | unesdoc.unesco.org// | More than 350,000 documents |
