Framework for 21st Century Learning contains overview of the skills necessary for student success in the new global economy.
Main site for the 21st Century Skills partnership. Includes links to tools and resources.
Hosted by KnowledgeWorks, an innovative educational social enterprise group (responsible for New Tech Network high schools, among others). A deep source of information and research on the future of education. Their "2020 Forecast: Creating the Future of Learning" is especially thought provoking!
Great site for 21st Century Learning elements, including student outcomes, standards, skills, curriculum, and learning environments
Nice site for exploring the digital taxonomy, including pdf downloads