Explore open, documented datasets for analysis and machine learning, with clear licences, JSON API access, and Parquet downloads.
Explore 108 open, documented datasets for analysis and machine learning, with clear licences, JSON API access, and Parquet downloads.
Every dataset here is published as immutable Apache Parquet versions with a documented column schema, column profiles, an explicit licence and a named publisher. Read the schema and a sample of real rows without an account; sign up free to run bounded JSON queries or download the whole snapshot for training, backtesting or analysis. Agents can do the same over the Model Context Protocol at /api/mcp, or read /llms.txt for the whole catalogue in one file.
The newest datasets in the catalogue
Mostly Right22 Sept 2026, 12:34:31 UTC
Mostly Right22 Sept 2026, 14:22:38 UTC
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Mostly Right22 Sept 2026, 08:37:52 UTC
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Bobby2,946 views
Mostly Right2,851 views
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Weather, climate, pollution, ecosystems and environmental measurements
Mostly Right22 Sept 2026, 06:24:18 UTC
Mostly Right22 Sept 2026, 14:22:38 UTC
Mostly Right18 Sept 2026, 20:46:03 UTC
Mostly Right21 Sept 2026, 19:29:17 UTC
Mostly Right15 Sept 2026, 13:16:44 UTC
Mostly Right15 Sept 2026, 13:11:47 UTC
Mostly Right15 Sept 2026, 13:19:46 UTC
Mostly Right15 Sept 2026, 13:17:50 UTC
Mostly Right15 Sept 2026, 12:58:41 UTC
Mostly Right15 Sept 2026, 13:06:09 UTC
Cryptocurrencies, blockchain networks, DeFi and digital-asset markets
Mostly Right22 Sept 2026, 10:05:15 UTC
Mostly Right22 Sept 2026, 13:11:02 UTC
Mostly Right22 Sept 2026, 12:56:13 UTC
Mostly Right22 Sept 2026, 09:12:41 UTC
Mostly Right22 Sept 2026, 13:39:07 UTC
Mostly Right22 Sept 2026, 13:07:59 UTC
Mostly Right22 Sept 2026, 14:13:18 UTC
Mostly Right22 Sept 2026, 09:10:34 UTC
Mostly Right22 Sept 2026, 09:14:38 UTC
Mostly Right22 Sept 2026, 13:22:28 UTC
108 datasets
Published datasets appear here as soon as their publishers release them.
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