ABCD is a Free and Open Source Software designed to support knowledge communities. The software is targeting libraries of universities and research institutes as well as smaller public libraries, documentation centra, musea and archives.
The Document Availability Information Ontology (DAIA) describes the current availability of documents in libraries and similar institutions. Availability can be expressed in terms of specific services. See http://purl.org/NET/DAIA for a specification
Bibwiki is a Specialpage for MediaWiki to manage BibTeX bibliographies. With Bibwiki it's easy to import records from various sources, manage digital documents, export lists of references via BibTeX and create lists of references in wiki articles.