OSINT4ALL tool directory

Search OSINT tools by investigation task.

Search the OSINT tools directory by evidence type, access model, pricing, and verification needs so you can choose faster and document the limits.

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Common investigation lanes

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USAspending.gov official-page screenshot

Official-page screenshot

U.S. Treasury / USAspending.gov

Verified 2026-06-21

Official U.S. federal award spending search

Verification: Pending Verification Workflow: Discovery, Verification Pricing: Free

Best for: U.S. federal contracts, grants, loans, recipient checks, agency spending, award IDs, location filters, and public spending trend review.

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USAspending.gov

Official U.S. federal award spending search

VerifyPending Verification WorkflowDiscovery, Verification AccessFree · API, Browser-Based
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SAM.gov official-page screenshot

Official-page screenshot

U.S. General Services Administration

Verified 2026-06-21

U.S. federal entity registration and award-management search

Verification: Pending Verification Workflow: Verification Pricing: Free

Best for: U.S. contractor and grant-recipient entity checks, Unique Entity ID context, federal award participation, opportunity leads, and registration-status review.

Editorial

Tool profile

SAM.gov

U.S. federal entity registration and award-management search

VerifyPending Verification WorkflowVerification AccessFree · Browser-Based
Editorial
Profile Visit tool

Tool profile

TED – Tenders Electronic Daily

EU public procurement notices and awarded-contract search

VerifyPending Verification WorkflowDiscovery, Verification AccessFree · API, Browser-Based
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MarineTraffic

AIS vessel tracking and maritime movement intelligence

VerifyPending Verification WorkflowDiscovery, Verification AccessFreemium · API, Browser-Based
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GLEIF LEI Search

Legal Entity Identifier search for company identity checks

VerifyPending Verification WorkflowVerification AccessFree · API, Browser-Based
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ICIJ Offshore Leaks Database

Investigative offshore entity and intermediary database

VerifyPending Verification WorkflowDiscovery, Verification AccessFree · Browser-Based
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LinkedIn Ad Library

Searchable LinkedIn ad transparency database

VerifyPending Verification WorkflowDiscovery AccessFree · Browser-Based
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Editorial proof card

Open Ownership

Verified 2026-05-27

Archived Open Ownership Register context and beneficial-ownership resources

Verification: Editorial review Workflow: Enrichment Pricing: Free

Best for: Understanding legacy Open Ownership Register references and routing beneficial-ownership research toward current country, standards, and source-record context.

Editorial

Tool profile

OpenOwnership Register

Archived Open Ownership Register context and beneficial-ownership resources

WorkflowEnrichment AccessFree · Browser-Based
Editorial
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Companies House

Primary UK company registry and filing search

WorkflowVerification AccessFree · Browser-Based
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Editorial proof card

U.S. Securities and Exchange Commission

Verified 2026-05-27

Primary U.S. securities filings and company disclosures

Verification: Editorial review Workflow: Verification Pricing: Free

Best for: Primary U.S. public-company, fund, executive, ownership, and securities filing evidence.

Editorial

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SEC EDGAR

Primary U.S. securities filings and company disclosures

WorkflowVerification AccessFree · Browser-Based
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OpenSecrets

U.S. campaign finance and lobbying research database

VerifyPending Verification WorkflowDiscovery, Mapping AccessFree · Browser-Based
Editorial
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LittleSis official-page screenshot

Official-page screenshot

LittleSis

Verified 2026-05-27

Public influence and relationship mapping

Verification: Pending Verification Workflow: Discovery, Mapping Pricing: Free

Best for: Mapping public relationships among people, companies, nonprofits, donors, officials, and organizations during influence research.

Editorial

Tool profile

LittleSis

Public influence and relationship mapping

VerifyPending Verification WorkflowDiscovery, Mapping AccessFree · Browser-Based
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