Alternatives to Nessus for all platforms with any license

Platforms

Desktop

Web / Online

Indie / Classic

  • Intruder icon

    Intruder

    Intruder is a security monitoring platform for internet-facing systems. Intruder provides an easy to use security solution which continually scans your digital assets, highlighting vulnerabilities and outlining remediation advice...

    Commercial Web / Cloud

  • SHODAN icon

    SHODAN

    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.

    Free Web / Cloud

  • OpenVAS icon

    OpenVAS

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

    Open Source Linux

  • skipfish icon

    skipfish

    A fully automated, active web application security reconnaissance tool. Key features: High speed: pure C code, highly optimized HTTP handling, minimal CPU footprint - easily achieving 2000 requests per second with responsive targets....

    Open Source Mac Windows Linux BSD

    • Discontinued Skipfish is no longer maintained. Last version, 2.10 beta, released in December 2012, can be still downloaded from Google Code Archive
  • IronWASP icon

    IronWASP

    IronWASP (Iron Web application Advanced Security testing Platform) is an open source system for web application vulnerability testing. It is designed to be customizable to the extent where users can create their own custom security...

    Open Source Mac Windows Linux

  • Yang icon

    Yang

    Yang is yet another Nikto GUI; Software for analyzing and securing your servers. Yang establish diagnostics on : - HTTP and SSL elements. - Flaws in your server components. - Dangerous files/CGIs. - Leaked scripts. - Outdated...

    Commercial Mac

  • OpenSCAP icon

    OpenSCAP

    SCAP is a line of standards managed by NIST. It was created to provide a standardized approach to maintaining the security of enterprise systems, such as automatically verifying the presence of patches, checking system security...

    Free 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 helps you download and install them. NetHotfixScanner gives you a quick look at the hotfixes and...

    Free Windows

  • PatrolServer icon

    PatrolServer

    Check realtime and continuously for outdated web software on your server. Delivered by mail and an easy to use dashboard and get notified if PHP, Apache, cPanel, Wordpress, Drupal and many more become outdated.

    Freemium Mac Windows Linux

  • cvechecker

    The goal of cvechecker is to report about possible vulnerabilities on your system, by scanning the installed software and matching the results with the CVE database. Indeed, this is not a bullet-proof method and you will most likely...

    Free Linux

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