Open data catalog

Free public datasets for analysis and AI

Explore openly available datasets, preview their tables, and find reliable data for research, analysis, and grounding your AI.

Explore datasets by topic

Start with a subject, then open any dataset to see its tables and sample rows.

Browse all public datasets

Open a dataset to see what it contains and preview real rows before you use it.

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How to use public datasets

Find trustworthy data

Search by subject or browse topic pages to discover relevant datasets and understand where the data came from.

Inspect before you analyse

Preview tables, columns, and sample rows before writing SQL or starting an analysis.

Ground AI in source data

Give your AI source data it can inspect, so you can check its answers against the underlying rows.

Frequently asked questions

What is a public dataset?

A public dataset is a collection of related data that anyone can explore. Each dataset includes one or more tables, with descriptions and sample rows to help you understand what is inside.

Can I browse these datasets without an account?

Yes. You can read dataset descriptions, explore tables, and preview sample rows without signing in.

How are dataset topics selected?

Topic pages search public dataset names and descriptions. A useful dataset can appear under several topics while keeping one main page.

What can I use public datasets for?

Use them for research, analysis, SQL practice, prototypes, or giving your AI reliable source data to work from.

Explore data with a question

Try Loam with your own file, or learn how grounded AI connects answers back to reliable source data.