Open Source Shodan Alternatives

The best open source alternative to Shodan is Censys. If that doesn't suit you, our users have ranked more than 25 alternatives to Shodan and nine of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Shodan are IVRE, wapiti, LeakIX and Natlas.

filter to find the best alternatives

Shodan alternatives are mainly Vulnerability Scanners, but if you're looking for Network Monitors or Penetration Testing Tools you can filter on that. Other popular filters include Free + Penetration Testing and Free + Vulnerability Scanner. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Shodan.
Shodan iconShodan
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Shodan is a search engine that lets you find specific computers (routers, servers, etc.) using a variety of filters. Some have also described it as a public port scan directory or a search engine of banners.

More about Shodan
More about Shodan
Shodan alternatives page was last updated Jan 11, 2023
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  1. Censys icon

    Censys

     23 likes
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    Censys is a search engine that allows computer scientists to ask questions about the devices and networks that compose the internet.

    24 Censys alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Censys screenshot 1

    Censys Features

    1.  Security Monitoring
    2.  Network Scanner

    Censys VS Shodan

     
    Comments about Censys as an Alternative to Shodan
    Guest
    Positive Dec 7, 2020
    0

    Fresher data, more ports scanned

    Guest
    Positive May 5, 2020
    0

    no limit on number of searches, lots of filters

    Shodan Icon
    Censys icon

    • Most users think Censys is a great Shodan alternative.

    • Censys is the most popular Open Source alternative to Shodan.

    • Censys is Freemium and Open SourceShodan is Freemium and Proprietary
  2. IVRE icon

    IVRE

     21 likes
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    Network recon framework, including a web interface to browse Nmap scan results.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • BSD
    • Self-Hosted
    IVRE screenshot 1

    Properties

    1.  Security-focused

    Features

    1.  Command line interface
    2.  No registration required
    3.  Works Offline
    4.  Network Scanner

    IVRE VS Shodan

     
    Comments about IVRE as an Alternative to Shodan
    Most Recent Comment
    nm17
    Positive Oct 11, 2020
    0

    Great for indexing local networks and such

    Guest
    Positive Jun 1, 2017
    0

    Because it's an open-source framework for scanning, indexing and researching data about connected device... Like Shodan.

    Guest
    Positive Mar 4, 2020
    0

    Because it's completely free and open-source and works exactly like Shodan.

    Shodan Icon
    IVRE icon

    • Some users think IVRE is a great Shodan alternative, some don't.

    • IVRE is the most popular Windows, Mac, Linux & Self-Hosted alternative to Shodan.

    • IVRE is Free and Open SourceShodan is Freemium and Proprietary
  4. wapiti icon

    wapiti

     7 likes
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    Wapiti allows you to audit the security of your web applications. Wapiti is a command line tool.

    License model

    • Free • Open Source

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Windows
    • Linux

    Properties

    1.  Security-focused

    Features

    1.  Command line interface

    wapiti VS Shodan

     
  5. LeakIX icon

    LeakIX

     4 likes
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    LeakIX is a search engine indexing open hosts on the internet. It focuses on listing the databases and table names and keeps a history of every successful connection.

    6 LeakIX alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Online
    • Software as a Service (SaaS)

    LeakIX Features

    1.  REST API
    2.  Data leak prevention

    LeakIX VS Shodan

     
    Comments about LeakIX as an Alternative to Shodan
    Guest
    Positive May 28, 2020
    0

    Has less data but is free for all. Also table names (mysql), collection names (mongo), index names ( elasticsearch ) and topic ( kafka ) names are searchable.

    khen_su
    Positive May 28, 2020
    0

    Simple, too the point indexer with nice querying capacities

    Shodan Icon
    LeakIX icon

    • Most users think LeakIX is a great Shodan alternative.

    • LeakIX is Free and Open SourceShodan is Freemium and Proprietary
  6. Natlas icon

    Natlas

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    Natlas is an open source project designed to provide scalable network scanning and an interface to search through the results. For more information, visit github.com/natlas/natlas

    License model

    • Free • Open Source

    Platforms

    • Linux
    • Self-Hosted
    • Software as a Service (SaaS)
    Natlas screenshot 1

    Natlas Features

    1.  Network Scanner

    Natlas VS Shodan

     
  7. Vega icon

    Vega

     2 likes
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    Vega is a free and open source scanner and testing platform to test the security of web applications. Vega can help you find and validate SQL Injection, Cross-Site Scripting (XSS), inadvertently disclosed sensitive information, and other vulnerabilities.

    7 Vega alternatives

    License model

    • Free • Open Source

    Country of Origin

    • CA flagCanada

    Platforms

    • Mac
    • Windows
    • Linux
    Vega screenshot 1

    Vega Features

    1.  SQL Injection Protection

    Vega VS Shodan

     

  9. Arachni

     4 likes
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    Arachni is an Open Source, feature-full, modular, high-performance Ruby framework aimed towards helping penetration testers and administrators evaluate the security of web applications.

    License model

    • Free • Open Source

    Country of Origin

    • GR flagGreece
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux

    Arachni VS Shodan

     
7 of 9 Shodan alternatives