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Every source, another way in.

Browse the complete starting collection. These are data portals, research indexes, and document collections; each opens onto many datasets and records.

14 sources shown

Law

CourtListener and RECAP

Free Law Project

Explore court opinions, federal dockets, and available filings while keeping allegations and findings distinct.

Free public browsing; API levels and requests for missing PACER material have separate conditions.

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Research

Energy and AI

International Energy Agency

A report for investigating the relationship between data centres and energy.

Public report pages; inspect the linked report and its reuse conditions.

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Patents

Google Patents

Google

Search patent publications across offices and explore drawings, claims, classifications, and families.

Free web search; publication access does not grant permission to practice an invention.

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Research

Index to Chiropractic Literature

Chiropractic Library Collaboration

Find specialist literature records, then inspect the original publication behind a palpation or care claim.

Free searching. Full-text availability and reuse depend on each linked publication.

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Research

OpenAlex

OurResearch

Follow connections among scholarly works, authors, institutions, and citations.

Free web exploration and basic API queries; an account key adds free daily API credit, with paid usage beyond allowances.

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Statistics

Our World in Data

Global Change Data Lab, with researchers at the University of Oxford

Read explanations beside interactive charts and follow each measure back to its underlying sources.

Free reading and chart downloads; underlying data licenses can differ.

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Research

PubMed

National Library of Medicine

Find biomedical citations and abstracts, then follow links to the underlying publications.

Free searching; full-text access and reuse depend on each publication.

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Business

SEC EDGAR

US Securities and Exchange Commission

Read company filings to investigate businesses, competitors, prospects, and disclosed supply-chain dependencies.

Free public filings and APIs; automated requests must follow SEC fair-access rules.

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Historical archive

The World Factbook — archive

Central Intelligence Agency; historical copies held by archives

Read dated country profiles as historical snapshots after the publication’s 2026 sunset.

Historical copies remain with archive hosts; the former official site redirects to a sunset notice.

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Statistics

UNdata

United Nations Statistics Division

Explore statistical collections from UN agencies and other international organizations.

Free browsing and downloads; cite UNdata and retain the originating agency.

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Patents

USPTO Patent Public Search

United States Patent and Trademark Office

Inspect US patents and published applications through the issuing office’s search tools.

Free public search; filing systems and other services have separate access rules.

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Statistics

World Bank Open Data

World Bank

Compare development indicators across places and years, with definitions and source notes.

Free browsing and downloads; check the license attached to each dataset.

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