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.

Data marketplace for acquiring and sharing data sets via Snowflake.

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

Discover, publish and interact with data using an AI-native platform powered by agentic workflows.

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

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

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.