Alternatives to Nessus for all platforms with any license



Web / Online

Indie / Classic

  • Intruder icon


    Intruder is a security monitoring platform for internet-facing systems. Intruder provides an easy to use security solution which...

    Commercial Web / Cloud

  • OpenVAS icon


    The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools offering a comprehensive and powerful...

    Open Source Linux

  • SHODAN icon


    SHODAN is a search engine that lets you find specific computers (routers, servers, etc.) using a variety of filters. Some have also...

    Free Web / Cloud

  • skipfish icon

    skipfish Discontinued

    A fully automated, active web application security reconnaissance tool. Key features: High speed: pure C code, highly optimized HTTP...

    Open Source Mac Windows Linux BSD

  • Yang icon


    Yang is yet another Nikto GUI; Software for analyzing and securing your servers. Yang establish diagnostics on : - HTTP and SSL...

    Commercial Mac

  • IronWASP icon


    IronWASP (Iron Web application Advanced Security testing Platform) is an open source system for web application vulnerability testing....

    Open Source Mac Windows Linux

  • Network Hotfix Scanner icon

    Network Hotfix Scanner

    Network Hotfix Scanner is a free advanced hotfix check utility that scans network computers for missing hotfixes and patches, and...

    Free Windows

  • PatrolServer icon


    Check realtime and continuously for outdated web software on your server. Delivered by mail and an easy to use dashboard and get...

    Freemium Mac Windows Linux

  • OpenSCAP icon


    SCAP is a line of standards managed by NIST. It was created to provide a standardized approach to maintaining the security of...

    Free Linux

  • cvechecker

    The goal of cvechecker is to report about possible vulnerabilities on your system, by scanning the installed software and matching the...

    Free Linux

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