Databases: directory of the databases subscribed by the UDC.
E-journals: list of all the e-journals purchased by the UDC.
E-books: it comprises reference works (dictionaries, encyclopaedias, etc.) as well as subject and multidisciplinary collections.
RUC: institutional repository of the UDC.
Subject Classification: electronic resources purchased by the UDC, listed by subject.
General resources: free resources such as maps, vitual libraries, official bulletins, scientific congresses, library directories. dictionaries, online translators, standards, patents, newspapers, doctoral theses, etc.
Resources by subject: learning and research resources, general and specific free materials aimed at both students and academic staff.
Subject guides (Fiador): lists of all sorts of resources grouped by subject, topic or area, from subscription-based databases to open access materials.
Open Access: movement that promotes free online access to all scientific information: articles, monographs, datasets... under licences that allow its use and exploitation by researchers, companies and all members of society.