OpenML is an open platform for sharing datasets, algorithms, and experiments, enabling collaborative machine learning research and development.

Library of NLP datasets for machine learning.

CKAN is an open-source data management system (DMS) for powering data hubs and data portals. It allows easy publishing, sharing, and accessing of data, and is widely used by governments and organizations worldwide.

Snowflake Marketplace connects you to over 820 providers, offering more than 3,400 live, AI-ready data, agents and integrated SaaS solutions. It allows you to spend less time integrating data and SaaS providers and extend what’s possible with your data through apps and agentic products, all while adding flexibility in how you use your Snowflake budget.

Empower Your Innovation with Global Data Solutions. DataHub.io empowers you with accessible, high-quality data solutions designed for simple, efficient integration into any workflow.

The world's largest collection of open source computer vision datasets and APIs.

A collection of public datasets available for analysis on AWS, including datasets from various domains such as genomics, earth observation, and more.

The U.S. Government's open data portal, providing access to datasets from federal agencies to enhance transparency and innovation.

A comprehensive collection of databases, domain theories, and data generators widely used for machine learning research and experimentation.

Search engine for datasets across the web.

Public datasets hosted on Google Cloud's BigQuery platform, accessible for analysis and integration into applications. Google covers storage costs, while users pay for queries beyond the free tier.