The National Science Digital Library has released EduPak version 1.0.
Here's an excerpt from the announcement:
EduPak version 1.0 is a lightweight version of the NCore open-source digital library platform specifically designed to meet the needs of national educational organizations and institutions focused on establishing specialized digital collections, conducting educational research, or providing students, teachers and instructors with discipline-oriented pedagogical products and tools that require basic technology for educational digital repositories. Built with NCore components, EduPak is an all-in-one, educational digital repository solution that provides a general platform for building digital libraries united by a common data model and interoperable applications.