Countless datasets from all kinds of disciplines are available worldwide to be used for new research and teaching. These datasets are stored mainly in (discipline-specific) repositories.
A register of research data repositories which can be searched by subject, type of data and country. You can also browse lists of subjects, types of data and countries.
The Mapping of the European Research Infrastructure Landscape project (MERIL) maps research facilities in Europe. To find data repositories, select Data Archives, Data Repositories and Collections at RI Categories. You can filter by discipline and country.
A register of repositories. To limit your search results to data repositories, check the option Research Data at Repository Type in the Advanced Search screen. You can search by title, description, country, discipline and more.
Registry of Open Access Repositories (ROAR)
A list of repositories and databases for open data, arranged by discipline.
The websites of individual repositories usually have a search option to search the collection of datasets in that repository.
A search engine for datasets registered at DataCite. Via member organisations, DataCite assigns Digital Object Identifiers (DOIs) to datasets.
Data papers are articles in which a specific dataset, findable online, is described. These articles are published in so-called data journals: electronic journals which aim wholly or partly at publishing data papers. Just like regular articles, data papers may be subject to peer review.