National Science Digital Library (NSDL)
This library, created by the National Science Foundation, provides access to resources and tools that support innovations in teaching and learning at all levels of science, technology, engineering, and mathematics education. It is aimed at meeting the needs of students and teachers at all levels--K-12, undergraduate, graduate, and lifelong learning--in both individual and collaborative settings, as well as formal and informal modes.
NEEDS - The National Engineering Education Delivery System
This library of learning resources for engineering education provides access to a database of learning resources on engineering education.