The Open Education Consortium - The Open Education Consortium in collaboration with MERLOT offers a search engine on OER (Open Educational Resources). OER are openly licensed online educational materials that allow teachers and students to freely use, share, and modify.
NovoEd - Delivers effective and engaging online courses with our social learning platform.
The Open Source Initiative - The Open Source Initiative (OSI) is a global non-profit focused on promoting and protecting open source software, development and communities. Among other things, we maintain the Open Source Definition, and a list of licenses that comply with that definition.
Sourceforge - Find, Create, and Publish Open Source software for free.