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> osint tools

OSINT tools directory

Free and free-tier open source intelligence tools, built by other people and worth knowing. Start here, end up anywhere.

49 tools, all made by other people, all free or with a free tier. Links open in a new tab.

> starting points

Starting points

  • OSINT Framework

    A categorized map of OSINT tools and resources. If you only bookmark one link from this page, make it this one.

    Free Open
  • Bellingcat Online Investigation Toolkit

    Bellingcat's curated toolkit of investigation resources, maintained by the people behind some of the best open source investigations published.

    Free Open
  • Google Hacking Database

    A library of advanced search queries (dorks) that show how much a plain search engine can surface.

    Free Open
  • Trace Labs

    Crowdsourced OSINT competitions that help find missing persons. A good place to practice with purpose.

    Free Open

> search engines

Search engines

  • Shodan

    The search engine for internet-connected devices: servers, webcams, industrial systems, anything with an open port.

    Free tier Open
  • Censys

    Internet-wide scans of hosts and certificates. Strong for finding exposed services and infrastructure.

    Free tier Open
  • Intelligence X

    Searches leaks, paste sites, the dark web and historical captures by email, domain, IP or keyword.

    Free tier Open

> domains and websites

Domains and websites

  • crt.sh

    Certificate transparency search. Reveals subdomains and infrastructure through the certificates a domain has issued.

    Free Open
  • DNSDumpster

    DNS reconnaissance and domain mapping with a visual graph of what it finds.

    Free Open
  • SecurityTrails

    Current and historical DNS records, WHOIS history and subdomain data.

    Free tier Open
  • ViewDNS.info

    A big collection of one-click DNS, WHOIS and reverse lookup tools on a single page.

    Free Open
  • BuiltWith

    Shows the technology stack behind any website, and how it has changed over time.

    Free tier Open
  • Wayback Machine

    Historical snapshots of websites going back decades. What a page said before it was edited.

    Free Open
  • archive.today

    On-demand page snapshots that preserve a page exactly as you saw it, useful as evidence.

    Free Open

> ips and networks

IPs and networks

  • AbuseIPDB

    Community-reported abuse history for any IP address.

    Free tier Open
  • GreyNoise

    Tells you whether an IP is targeting you or just scanning the whole internet. Great noise filter.

    Free tier Open
  • BGPView

    ASN, prefix and peering lookups. Who owns a network and what else they announce.

    Free Open
  • IPinfo

    IP geolocation, ASN and hosting details with a clean lookup page.

    Free tier Open
  • Robtex

    Cross-references IPs, DNS records and networks in one graph view.

    Free Open

> threat intelligence

Threat intelligence

  • VirusTotal

    Analyzes files, URLs, domains and IPs against dozens of engines. The first stop for a suspicious anything.

    Free tier Open
  • urlscan.io

    Scans and screenshots a URL in a sandbox so you never have to open it yourself.

    Free tier Open
  • AlienVault OTX

    Open threat exchange with community pulses on indicators, campaigns and malware.

    Free Open
  • URLhaus

    abuse.ch feed of URLs actively distributing malware.

    Free Open

> email addresses

Email addresses

  • Have I Been Pwned

    Checks whether an email address has appeared in known data breaches. Run it on your own addresses first.

    Free Open
  • Hunter

    Finds and verifies the email pattern a company uses.

    Free tier Open
  • Epieos

    Pivots from an email address to the accounts and services registered with it.

    Free tier Open
  • EmailRep

    Reputation and risk signals for an email address.

    Free Open
  • MXToolbox

    Mail server, blacklist and DNS diagnostics for any domain.

    Free Open

> usernames and social

Usernames and social

  • WhatsMyName

    Checks a username across hundreds of sites, maintained by the OSINT community.

    Free Open
  • Sherlock

    Command-line username hunter covering hundreds of platforms.

    Open source Open
  • Maigret

    Collects a full profile dossier from a single username, with reports.

    Open source Open
  • Namechk

    Quick username availability check across major platforms, which doubles as presence discovery.

    Free Open
  • Social Searcher

    Searches public social media posts and mentions without needing accounts.

    Free tier Open

> images and media

Images and media

  • TinEye

    Reverse image search that tells you where an image appeared first.

    Free Open
  • Yandex Images

    The reverse image search that regularly beats the others on faces and places.

    Free Open
  • FotoForensics

    Error level analysis that helps spot edited regions in a photo.

    Free Open
  • ExifTool

    The definitive metadata extractor for images and media files.

    Open source Open
  • Jimpl

    Drag and drop EXIF viewer in the browser for a quick metadata look.

    Free Open
  • InVID WeVerify

    Browser plugin for verifying images and video, built for fact-checkers.

    Free Open

> geolocation and maps

Geolocation and maps

  • Google Earth

    Satellite imagery with historical layers, the backbone of most geolocation work.

    Free Open
  • SunCalc

    Sun position and shadow angles for any place and time. Dates and times photos from their shadows.

    Free Open
  • Overpass Turbo

    Queries OpenStreetMap data: find every water tower near a railway in a region, that kind of thing.

    Free Open
  • Mapillary

    Crowdsourced street-level imagery for places Street View does not cover.

    Free Open
  • GeoHints

    Visual reference for license plates, signs, poles and other clues that give away a country.

    Free Open

> toolkits and frameworks

Toolkits and frameworks

  • SpiderFoot

    Automated OSINT scanner that correlates hundreds of data sources from one seed.

    Open source Open
  • theHarvester

    Classic recon tool that gathers emails, subdomains and hosts from public sources.

    Open source Open
  • Recon-ng

    Modular reconnaissance framework with a Metasploit-style workflow.

    Open source Open
  • Maltego CE

    Visual link analysis that maps relationships between people, domains and infrastructure. Community edition is free.

    Free tier Open
  • Mitaka

    Browser extension that looks up any selected indicator across dozens of OSINT services.

    Open source Open

Every tool above belongs to its creator. Listing here is a recommendation, not an affiliation, and free tiers change over time. Use these responsibly and only against targets you are authorized to research. Found a great free OSINT tool that belongs here, or a dead link? Tell me about it.