ariadne2.isti.cnr.it
Dataset and resource search service for finding public data collections and research material.
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github.com
GitHub awesome list collecting OSINT tools, datasets, training links, and research resources.
data.occrp.org
OCCRP data platform for searching investigative datasets, documents, people, companies, and public-record sources.
datasetsearch.research.google.com
Google Dataset Search helps find datasets from repositories, publishers, and research sources.
geoplatform.gov
US geospatial portal for discovering government maps, data layers, services, and geographic resources.