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Best OSINT Tools in 2026

This list covers software for open-source intelligence work, including web services, Linux and macOS programs, Windows tools, APIs and browser extensions. Readers can use it to compare social-source searches, domain and IP checks, activity monitoring, relationship mapping, API use and data exports.

  1. 1

    BuiltWith

    by BuiltWith
    Free plan APIExtensionWeb

    BuiltWith combines website technology profiles with ecommerce research, lead generation, exports, and developer access.

    7.5 Free plan · paid from $144/yr Visit site
  2. 2

    OWASP Amass

    Free plan LinuxMacSelf-hosted+1

    OWASP Amass brings asset discovery and long-term tracking together in a self-hosted framework, with multiple installation routes and broad reconnaissance sources.

    7.3 Free plan Visit site
  3. 3

    Netlas

    Free plan APILinuxWeb
    7.2 Free plan · paid from $49/mo Visit site
  4. 4

    PublicWWW

    Free plan APIWeb

    PublicWWW offers flexible searches across web page code and text, with both web and API access. Free access has row and result-coverage limits; paid plans expand search size.

    6.9 Free plan · paid from $49 Visit site
  5. 5

    ViewDNS.info

    Free plan APIWeb
    6.6 Free plan · paid from $29/mo Visit site
  6. 6

    Hunchly

    Free plan LinuxMacWindows
    6.3 Free plan · paid from $169/user/yr · 30-day trial Visit site
  7. 7

    DNSDumpster

    Free plan Web
    6.0 Free plan Visit site
  8. 8

    Epieos

    Free plan Web
    6.0 Free plan Visit site
  9. 9

    Intelligence X

    Free plan Web
    6.0 Free plan · 7-day trial Visit site
  10. 10

    Sherlock

    Free plan Linux
    5.6 Free plan Visit site
  11. 11

    theHarvester

    Free plan LinuxWeb
    5.5 Free plan Visit site
  12. 12

    Shodan Monitor

    Paid APILinuxWeb

    Shodan Monitor combines continuous network observation with multiple alert routes and scan options.

    5.3 From $49 Visit site
  13. 13

    DataWalk

    Paid Web
    4.6 Pricing on request Visit site
  14. 14

    Babel X

    Paid
    4.4 Pricing on request Visit site
  15. 15

    IBM i2 Analyst’s Notebook

    Paid Windows
    4.3 Pricing on request Visit site
  16. 16

    ShadowDragon

    Paid Web
    4.0 Pricing on request Visit site
  17. 17

    Skopenow

    Paid Web
    4.0 Pricing on request Visit site
  18. 18

    Social Links

    Paid
    3.7 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Check whether a tool has a free plan, a trial or paid pricing that fits your budget. If you need to read or change code, verify the licence. Compare each product's supported platforms, required investigation functions, API availability and export options before deciding.

Questions

Are there free OSINT tools?

Yes. DNSDumpster, Epieos and OWASP Amass show free plans. Hunchly, Intelligence X, Netlas and PublicWWW likewise pair free plans with paid options.

Which OSINT tools offer trials?

Hunchly offers a 30-day trial, while Intelligence X offers a 7-day trial.

Which products show pricing on request?

Pricing is available on request for Babel X, DataWalk, IBM i2 Analyst’s Notebook and ShadowDragon.

Can these tools be compared for API and export support?

Yes. API availability and data export can be compared in this category. Check the product's plan details for what is included.

What platforms do these tools support?

Products are available for web, Linux, API, Windows, macOS or browser extensions. Confirm the platform listed for the product you are considering.

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