OAIster - is a union catalog of millions of records representing open access resources that was built by harvesting from open access collections worldwide using the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH). Use OAIster to search across repositories.
PMC is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM).
ART-Dok is the full-text server of the Virtual Library for Art, arthistoricum.net and is made available by Heidelberg University Library. It offers members of the academic community worldwide the opportunity to publish their texts in electronic format on the internet at no charge.
The Kultur Consortium aims to create a transferable and sustainable institutional repository model for research output in the creative and applied arts.
