College lectures from major institutions
A version of Open Office developed specifically for younger users.
Eduforge is an open access environment designed for the sharing of ideas, research outcomes, open content and open source software for education.
Directory of online college courses made available to the public
Open source wikibook (textbook) focused on learning theories.
Open source php-based wiki software (used in other open source CMS environments such as Moodle).
Open source resources (and information) for K12 schools
Audio versions of open source (past copyright in most cases) books.
Moodle is open source software providing the features of a course management system (e.g., Blackboard, WebCT). School districts are using this software to provide educators a convenient system for discussions, online quizzes, etc.