To download a tool, navigate to the tool folder and latest version and then click on the zip file to obtain the tool.
* DDS - The Digital Discovery System is an XML repository and search server built with Lucene.
* DCS/NCS - The Digital Collection System / NSDL Collection System is a flexible XML-driven tool that provides a metadata editor, collection workflow processes, and a role-based permission system in support of distributed and collaborative collections management.
* jOAI is an Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) data provider and harvester that enables existing systems and databases to provide matadata via OAI-PMH and to harvest metadata to the file system.
These tools are developed by Digital Learning Sciences (DLS) and National Science Digital Library - Technical Network Services (NSDL-TNS), University Corporation for Atmospheric Research (UCAR) with support by the National Science Foundation (NSF)
http://dlsciences.org/ http://www.nsdl.org/ http://www.ucar.edu/ http://nsf.gov/