European Sources Online (ESO) is an online database and information service which provides access to information on the institutions and activities of the European Union, the countries, regions and other international organisations of Europe, and on issues of importance to European researchers, citizens and stakeholders.
With Find-eR catalogue, you can search for selected open access e-journals and e-books. There also are useful links to EU law, policies, statistics, open access journals, open access research papers and more.