Refubium is a service of the university library of the Freie Universität Berlin. As an institutional repository it collects documents, dissertations, postdoctoral theses, and research data.

The department "Survey Data Curation", part of GESIS - Leibniz Institute for the Social Sciences, processes and prepares social science research data across a diverse range of data types to support research, especially in comparative perspectives across space and time. The curated data include long-term national (e.g., ALLBUS, GLES, Politbarometer, FReDA) and international (e.g., ISSP, EVS, CSES, Eurobarometer) survey programs with large user communities. The data are prepared for immediate re-use for research and teaching purposes. The department also offers services for linking surveys with geo-data and digital behavioral data.

The vifabio portal offers rapid access to biological literature and information. It offers a parallel search in various biologically relevant library catalogues, bibliographic databases, and the internet guide (a collection of selected, quality controlled internet sources).

EVIFA, the portal of Social and Cultural Anthropology, offers anthropological and folkloristic information from one source. It gives a fast, comprehensive access to specific information for anthropological research, regardless of the where about.

The Subject Gatewy for Law is an instrument for the legal information retrieval. It provides straightforward access to legal information in the Internet. Die Virtuelle Fachbibliothek Recht ist ein Instrument für die rechtswissenschaftliche Online-Recherche. Sie bietet einen ortsunabhängigen und unkomplizierten Zugang zu rechtswissenschaftlichen Fachinformationen im Internet.