OCWSearch, the search engine for OpenCourseWare classes, reached a milestone today, now indexing the OpenCourseWare content from 10 major universities: the School of Public Health at Johns Hopkins, MIT, Notre Dame, the Open University U.K., Universidad Politécnica de Madrid, Stanford Engineering Everywhere, the Delft University of Technology, The University of Massachusets-Boston, the University of Tokyo, and Yale University. These schools all offer courses online for free, under the OpenCourseWare Initiative.Source: ReadWriteWeb