The Digital Library of the Commons (DLC) is a gateway to the international literature on the commons. The DLC provides free and open access to full-text articles, papers, and dissertations. This site contains an author-submission portal; an Image Database; the Comprehensive Bibliography of the Commons; a Keyword Thesaurus, and links to relevant reference sources on the study of the commons.

GENIOS provides access to more than 1200 economic databases, as well as press and periodicals. Die Suchmaschine GENIOS bietet Zugang zu mehr als 1.200 Wirtschaftsdatenbanken, sowie zu Presse und Fachzeitschriften.

The OSF Preprints search combines records from various preprint repositories, including arXiv, bioRxiv, Cogprints, PeerJ, PsyArXiv, RePEc and SocArXiv.

SocArXiv, open archive of the social sciences, provides a free, non-profit, open access platform for social scientists to upload working papers, preprints, and published papers, with the option to link data and code. SocArXiv is dedicated to opening up social science, to reach more people more effectively, to improve research, and build the future of scholarly communication.

wiso is an online database specially tailored to the needs of users from academic and research institutions by GBI-Genios. It aggregates mainly German content from various publishers, covering economics, social sciences, psychology and technology. wiso provides access to major reference databases, to full texts of selected journals, e-books, magazines and newspapers like VDI Nachrichten or Handelsblatt as well as to company information and market data.