--
Central de Dados, Portugal
DATA.gov, USA
data.gov.uk, HM Government
Datanami, big data
datahub, data sharing
Directório de Todas as Empresas Portuguesas
Goddard Earth Sciences Data and Information Services Centre
JEDH - Joint External Debt Hub by BIS, IMF, OECD and WB
KONECT - The Koblenz Network Collection
NEXUS - The Network repository
Network Data, by M.E.J. Newman
National Bureau of Economic Research
National Oceanic and Atmospheric Administration
Pordata, Portugal
Stanford Large Network Dataset Collection
SNIRH - Sistema Nacional de Informação de Recursos Hídricos
The Observatory of Economic Complexity
--
The Free 'Big Data' Sources Everyone Should Know
--