USA - DATA.gov
Official data catalogue of the U.S. government.
Europe - Open Data Portal
Official data catalogue of the European Union.
Spain - datos.gob.es
Data catalogue of the Spanish government.
Singapore - Data.gov.sg
Official data catalogue of Singapore.
Great Britain - data.gov.uk
Data catalogue of the British government.
Norway - data.norge.no
Official data catalogue of the Norwegian government.
Australia - data.gov.au
Data catalogue of the Australian government.
New Zealand - data.govt.nz
Official data catalogue from the government of New Zealand.
Kenya - Open Kenya
Data catalogue of the Kenyan government.
Navarra - Open Data Navarra
Data catalogue of the Spanish province of Navarra.
San Francisco - DataSF
Data catalogue of the city of San Francisco, California.
Philadelphia - open data Philli
Data catalogue of the city of Philadelphia, Pennsylvania.
Baltimore - OpenBaltimore
Data catalogue of the city of Baltimore, Maryland.
Vancouver - Open Data Catalogue
Data catalogue of the city of Vancouver, Canada.
London - london.gov.uk
Data catalogue of the city of London.
France - data.gouv.fr
Official data catalogue of France.
Paris - PARISDATA
Data catalogue of the city of Paris.
Europe - PublicData.eu
Open data search engine developed by the Open Knowledge Foundation with the possibility to search for datasets from different data catalogues in Europe.
World Bank - data.worldbank.org
Data catalogue from the World Bank containing development data, visualization tools and an API.
UN - undata
Data catalogue by the United Nations (UN) with access to statistical data.
Worldwide - datacatalogs.org
Curated list of data catalogues from around the world.
Worldwide - Public Dataset Brows...
Very extensive collection and map visualization of data catalogues worldwide maintained by the Spanish CTIC foundation.