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

Public computer vision datasets for machine learning.

Search engine for datasets across the web.

Platform for finding, sharing, and publishing data.

Collection of public datasets available for analysis on AWS.

Public datasets hosted on Google Cloud's BigQuery platform.

Collection of databases, domain theories, and data generators for ML research.