Connexions is a global repository of educational content provided by Rice University. The entire collection is available free of charge, and students and learners alike can explore all the content they desire.
Connexions was one of the first initiatives, pioneering, along with other projects such as MIT OpenCourseWare and the Public Library of Science, the idea of open educational resources—that scholarly and educational content can and should be shared, re-used and recombined, interconnected and continually enriched.
Read more about Connexions: Subject Matter, Copyright, Comparison To Other Open Education Projects, Technical Details, Funding