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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dnstwist repository screenshot

Repository screenshot

dnstwist

Source checked 2026-09-19

Find lookalike domains for brand and phishing triage

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

Best for: Checking suspicious typo, homoglyph and naming variants around an authorized brand or domain.

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dnstwist

Find lookalike domains for brand and phishing triage

VerifyPending Verification WorkflowDiscovery, Pivoting, Verification AccessFree · Browser-Based, Desktop
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Gitleaks official-page screenshot

Official-page screenshot

Gitleaks

Source checked 2026-09-19

Scan authorized repositories for possible exposed secrets

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

Best for: Defensive checks of code and repository history that the analyst is authorized to examine.

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Gitleaks

Scan authorized repositories for possible exposed secrets

VerifyPending Verification WorkflowDiscovery, Pivoting, Verification AccessFree · Desktop
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OWASP Amass official-page screenshot

Official-page screenshot

OWASP Amass

Source checked 2026-09-19

Map an authorized organization's external asset footprint

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

Best for: Structured discovery of domains and related infrastructure for a clearly scoped asset inventory.

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OWASP Amass

Map an authorized organization's external asset footprint

VerifyPending Verification WorkflowDiscovery, Pivoting, Verification AccessFree · Desktop, Self-Hosted
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Subfinder official-page screenshot

Official-page screenshot

Subfinder

Source checked 2026-09-19

Discover subdomains from passive sources

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

Best for: Generating an initial domain inventory before validation and historical research.

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Subfinder

Discover subdomains from passive sources

VerifyPending Verification WorkflowDiscovery, Pivoting, Verification AccessFree · Desktop
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c2patool official-page screenshot

Official-page screenshot

c2patool

Source checked 2026-09-19

Command-line inspection of C2PA manifests

Verification: Pending Verification Workflow: Analysis, Verification Pricing: Free

Best for: Repeatable provenance inspection of permitted media files when a browser-only check is insufficient.

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c2patool

Command-line inspection of C2PA manifests

VerifyPending Verification WorkflowAnalysis, Verification AccessFree · Desktop
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Crawl4AI official-page screenshot

Official-page screenshot

Crawl4AI

Source checked 2026-09-19

Open-source browser crawling and extraction for structured research

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

Best for: Building a local, configurable collector when analysts need more control over extraction and storage.

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Crawl4AI

Open-source browser crawling and extraction for structured research

VerifyPending Verification WorkflowAnalysis, Discovery AccessFree · Desktop, Self-Hosted
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Docling official-page screenshot

Official-page screenshot

Docling

Source checked 2026-09-19

Parse documents into structured text and tables

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

Best for: Preparing PDFs and other document collections for search, comparison or extraction without relying only on copy-and-paste.

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Docling

Parse documents into structured text and tables

VerifyPending Verification WorkflowAnalysis, Discovery AccessFree · Desktop, Self-Hosted
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Auto Archiver repository screenshot

Repository screenshot

Auto Archiver

Source checked 2026-09-19

Automate preservation from a structured queue of source links

Verification: Pending Verification Workflow: Archiving, Verification Pricing: Free

Best for: Newsrooms maintaining a collection queue of public posts, pages and media that may disappear.

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Auto Archiver

Automate preservation from a structured queue of source links

VerifyPending Verification WorkflowArchiving, Verification AccessFree · Desktop, Self-Hosted
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Nmap official-page screenshot

Official-page screenshot

Nmap Project

Source checked 2026-05-07

Open-source network mapper for authorized exposure and service discovery

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

Best for: Authorized network inventory, service discovery, exposure validation, and defensive technical assessment.

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Nmap

Open-source network mapper for authorized exposure and service discovery

VerifyPending Verification WorkflowDiscovery, Verification AccessFree · Desktop, Self-Hosted
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theHarvester

Open-source passive reconnaissance for domains, subdomains, hosts, and emails

VerifyPending Verification WorkflowDiscovery, Enrichment AccessFree · Desktop, Self-Hosted
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Holehe

Open-source email registration checker for public account-signal triage

VerifyPending Verification WorkflowDiscovery, Enrichment AccessFree · Desktop, Self-Hosted
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Recon-ng

Open-source modular reconnaissance framework for technical OSINT

VerifyPending Verification WorkflowDiscovery, Enrichment AccessFree · Desktop, Self-Hosted
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