Eduforge is an open access environment designed for the sharing of ideas, research outcomes, open content and open source software for education.
Open source resources (and information) for K12 schools
MIT Opencourseware selected for high school students. Math and Science. Resources and videos demonstrating classroom use.
Portal organizing open educational resources. Explains the concept and directs visitors to resources.
Interesting resource for some. Characters and scenes for generating content. You will need Open Office to use. The site offers links to open source tools for use.
IBM and Hewlett Foundation site promoting K-12 use of open technologies. Open source, open standards, open content, open hardware.
CoSN site promoting open source software and open standards.
Merlot - a collection of quality multimedia resources organized by content area. Open source resources and discussion of open source concept.
Open source educational resources for all age levels. Directory of open source resources.