Domain / DNS
Domain, host, certificate, IP, and website footprint checks.
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.
Filter tools Search, category, pricing, and verification
Editorial standards
Use the data. Keep the judgment.
- Fit and limits stay visible.
- Commercial context cannot buy placement.
- Corrections are reviewed.
Directory workflow
Start broad. Leave with a shortlist.
Search by job
Start with the task, source type, signal, or tool name.
Narrow fit
Use category, pricing, access, and verification filters.
Pin candidates
Build a browser-only shortlist while browsing profiles.
Check context
Read caveats and disclosure before visiting the tool.
Start by job
Common investigation lanes
Pick a lane when the evidence type is clear and you need a faster shortlist.
Threat triage
Suspicious URLs, files, IPs, breach signals, and reputation checks.
Company research
Registries, filings, public records, and corporate footprint checks.
People & social
Handles, people, public topics, mentions, and media narratives.
Maps / geolocation
Place names, imagery, satellite, map, and sunlight checks.
Archives
Preserve pages, recover deleted sources, and document timelines.
Official-page screenshot
Currawong / Bao L. Zhou (Derrick)
Local format and check-digit validation for China USCI codes
Verification: Pending Verification
Workflow: Triage, Verification
Pricing: Free
Best for: Checking whether an 18-character Chinese Unified Social Credit Code is structurally valid before looking up the underlying entity…
Submitted
Currawong China USCI Checker
Local format and check-digit validation for China USCI codes
Submitted
Official-page screenshot
Publications Office of the European Union
EU public procurement notices and awarded-contract search
Verification: Pending Verification
Workflow: Discovery, Verification
Pricing: Free
Best for: EU procurement notice discovery, awarded-contract leads, buyer/supplier checks, CPV sector searches, place-of-performance filters, and procurement timeline review.
Editorial
TED – Tenders Electronic Daily
EU public procurement notices and awarded-contract search
Editorial
Official-page screenshot
Global Legal Entity Identifier Foundation
Legal Entity Identifier search for company identity checks
Verification: Pending Verification
Workflow: Verification
Pricing: Free
Best for: Confirming LEI records, legal-entity names, registration status, reference data, and identity anchors in company due diligence.
Editorial
GLEIF LEI Search
Legal Entity Identifier search for company identity checks
Editorial
Official-page screenshot
International Consortium of Investigative Journalists
Investigative offshore entity and intermediary database
Verification: Pending Verification
Workflow: Discovery, Verification
Pricing: Free
Best for: Checking whether a person, company, intermediary, address, or entity appears in ICIJ offshore leak datasets during due diligence…
Editorial
ICIJ Offshore Leaks Database
Investigative offshore entity and intermediary database
Editorial
Editorial proof card
Open Ownership
Archived Open Ownership Register context and beneficial-ownership resources
Verification: Verification status not listed
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
OpenOwnership Register
Archived Open Ownership Register context and beneficial-ownership resources
Editorial
Official-page screenshot
UK Government
Primary UK company registry and filing search
Verification: Verification status not listed
Workflow: Verification
Pricing: Free
Best for: Primary UK company identity, company-number, officer, filing, status, charge, and document checks.
Editorial
Companies House
Primary UK company registry and filing search
Editorial
Editorial proof card
U.S. Securities and Exchange Commission
Primary U.S. securities filings and company disclosures
Verification: Verification status not listed
Workflow: Verification
Pricing: Free
Best for: Primary U.S. public-company, fund, executive, ownership, and securities filing evidence.
Editorial
SEC EDGAR
Primary U.S. securities filings and company disclosures
Editorial
Official-page screenshot
OpenSecrets
U.S. campaign finance and lobbying research database
Verification: Pending Verification
Workflow: Discovery, Mapping
Pricing: Free
Best for: Researching U.S. political donations, lobbying records, PACs, industries, candidates, committees, and money-in-politics patterns.
Editorial
OpenSecrets
U.S. campaign finance and lobbying research database
Editorial
Official-page screenshot
BuiltWith
Website technology and competitor-footprint profiling
Verification: Verification status not listed
Workflow: Enrichment
Pricing: Freemium
Best for: Website technology profiling, historical stack checks, commercial due diligence, competitor research, and domain-context enrichment.
Editorial
BuiltWith
Website technology and competitor-footprint profiling
Editorial
Official-page screenshot
OpenCorporates
Company registry search for legal-entity grounding
Verification: Verification status not listed
Workflow: Verification
Pricing: Freemium
Best for: First-pass company verification, jurisdiction lookup, company-number checks, officer/director pivots, and public-register source discovery.
Editorial
OpenCorporates
Company registry search for legal-entity grounding
Editorial
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