Kaggle Datasets
Public datasets shared by the community
Kaggle hosts a large collection of public datasets that users upload and share. Each dataset has a page with files, notes and notebooks, and downloads are free with an account.
More in Data marketplaces
AWS Data Exchange
Data marketplaces
Marketplace for third-party datasets on AWS
Data.gov
Data marketplaces
US government open data portal
Databricks Marketplace
Data marketplaces
Open marketplace built on Delta Sharing
Datarade
Data marketplaces
Directory to compare and request data products
Hugging Face Datasets
Data marketplaces
Datasets hub for machine learning
Nasdaq Data Link
Data marketplaces
Financial and alternative datasets, formerly Quandl