Shodan Alternatives

Shodan is described as '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' and is a vulnerability scanner in the network & admin category. There are more than 25 alternatives to Shodan for a variety of platforms, including Web-based, Linux, Windows, SaaS and Mac apps. The best Shodan alternative is Criminal IP, which is free. Other great apps like Shodan are ZoomEye, Censys, IVRE and FOFA.

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Alternatives list

  1. SearchDiggity is the primary attack tool of the Google Hacking Diggity Project. It is Bishop Fox’s MS Windows GUI application that serves as a front-end to the most recent versions of our Diggity tools: GoogleDiggity, BingDiggity, Bing LinkFromDomainDiggity, CodeSearchDiggity...

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
     
  2. Pentestly.io icon
     1 like

    Human-in-the-loop penetration testing enhanced with AI. Identify vulnerabilities faster, reduce risk, and stay audit-ready with actionable reports and real-time visibility.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
     
  3. External attack surface management and threat intelligence platform that monitors your domain for vulnerabilities, misconfigurations, and active threats.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  4. On-demand internet scanner. Trigger a live port and service scan of any IP, CIDR or country via REST API and get fresh results in seconds.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  5. Zenkai is an automated website security scanner built for developers, IT teams, and agencies. It checks your site for real vulnerabilities — not just a header checklist.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  6. Attack Surface Monitor discovers and tracks what your organisation exposes to the internet, from a server you control. It ships as a single Go binary with SQLite - no database server, no agents, no telemetry.

    Cost / License

    Platforms

    • Self-Hosted
    • Docker
     
  7. RedGem icon
     Like

    Discover, monitor, and protect your organization's entire digital footprint with real-time alerts for security changes.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
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