Robin Good: "Invenio is an open-source software allowing anyone to build and maintain a professional document library on the web.
Invenio provides all the tols needed to coordinate all of the aspects of digital library management, from document ingestion through classification, indexing, and curation to dissemination.
Invenio complies with standards such as the Open Archives Initiative metadata harvesting protocol (OAI-PMH) and uses MARC 21 as its underlying bibliographic format. Invenio outputs / exports its contents in multiple formats including: HTML, XML, OAI, MARC.
Invenio has been originally developed at CERN to run the CERN document server, managing over 1,000,000 bibliographic records in high-energy physics since 2002, covering articles, books, journals, photos, videos, and more."
Key features: http://invenio-software.org/wiki/General/Features
Sites already using it: http://invenio-software.org/wiki/General/Demo
More info: http://invenio-software.org/
P.S.: You will need a technical person to download and install the Invenio software.
(Download page: http://invenio-software.org/wiki/Installation/Download)
Via Robin Good, Errol A. Adams JD/MLS