"Open educational resources are free and openly licensed educational materials that can be used for teaching, learning, research, and other purposes." --Wikipedia

	KQED Education High quality, standards-aligned KQED multimedia resources and curricula integrating 21st century literacies.
	OER Commons Worldwide learning network of shared teaching and learning materials made freely available online. Grouped by subject area and grade level.
	Curriki Curriki is an open community of educators, parents, and students who share Open Educational Resources. They have been curating best in class learning materials since 2006.
	Digital Chalkboard The Digital Chalkboard is where California educators get connected, collaborate, and share the best practices, best resources, best strategies
	Gooru Collections of free K-12 web resources to personalize learning
	EDSITEment! A library of humanities lesson plans by subject, theme, and grade level
	TeachingChannel Teaching Channel is a video showcase (on the Intenet and TV) of innovative and effective teaching practices in America's schools.
	Khan Academy A library of over 3000 videos covering everything from arithmetic to physics, finance, and history and hundres of skills to practice.
	Merlot Free and open online community of resources designed primarily for faculty, staff and students of higher education from around the world to share their learning materials and pedagogy.
	CK 12 Free access to content and technology tools that empower students and teachers to enhance and experiment with different learning styles and levels.
	Education Portal Take free classes. Earn college credit.
	HippoCampus.org Free education resources for middle school, high school, and college students and instructors.
	PhET PhET provides free, fun, interactive, research-based simulations of physical phenomena.
	Curriculum Foundry Curriculum Foundry is a digital content solution that provides districts access to a searchable content repository pre-populated with vetted open educational resources (OER) and other free digital resources. The repository can also be enhanced to include collections of digital content districts already have licenses for and content they have created. (In pilot phase)
	TEDEd Lessons Worth Sharing Build a lesson around any TED-Ed original, TED Talk or YouTube video.
	MIT OpenCourseWare (OCW) MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.
	Project Gutenberg A collection of over 46,000 free ebooks.