"OpenDOAR is an authoritative directory of academic open access repositories. Each OpenDOAR repository has been visited by project staff to check the information that is recorded here. This in-depth approach does not rely on automated analysis and gives a quality-controlled list of repositories"
"The aim of ROAR is to promote the development of open access by providing timely information about the growth and status of repositories throughout the world."
Directory of Open Access repositories from European institutions compiled and maintained by OpenAIRE with 41 participating partners from all European Union member states.
Access research and scholarly articles made available in these open access repositories.