The Best 20 Nessus Alternatives

  • Metasploit

    Metasploit Community Edition simplifies network discovery and vulnerability verification for specific exploits, increasing the effectiveness of vulnerability scanners such as Nexpose - for free.

    Free Personal Windows Linux BSD

  • webcheck.me

    webcheck.me Free online website scanner. Checks security, seo, performance and mail problems. Provides free snapshots (full-page, hi-quality), provides a basic spell check.

    Freemium Web

  • 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.

    Free Open Source Mac OS X Windows Linux BSD

  • 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

  • OpenVAS

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

    Free Open Source Linux

  • Acunetix

    Audit your website security and web applications for SQL injection, Cross site scripting and other web vulnerabilities with Acunetix Web Security Scanner. Download Free...

    Commercial Windows Web Wordpress

  • Intruder

    Intruder is a security monitoring platform for internet-facing systems.

    Commercial Web

  • Sucuri

    Sucuri is the de facto standard in website malware monitoring and cleanup. You get hacked, get a virus or trojan, we clean up the mess! No need to worry about malware anymore.

    Commercial Web Wordpress

  • Social-Engineer Toolkit

    The Social-Engineer Toolkit is an open source penetration testing framework designed for social engineering. SET has a number of custom attack vectors that allow you to make a believable attack quickly.

    Free Open Source Mac OS X Linux Python

  • IronWASP

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

    Free Open Source Mac OS X Windows Linux

  • Core Impact Pro

    Core Impact Pro is the most comprehensive software solution assessing and testing security vulnerabilities throughout your organization.

    Commercial Windows Linux

  • 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...

    Freemium Mac OS X Windows Linux

  • WPScans.com

    For all the scans WPScans.com perform they use the latest technology in vulnerability scanners. Their custom scanning technology includes the use of WPScan, the most...

    Free Web Wordpress

  • 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...

    Commercial Mac OS X

  • 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....

    Free Windows

  • 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...

    Free Linux

  • Nexpose

    Learn about our vulnerability management software, Nexpose. See how our vulnerability scanner prioritizes vulnerabilities and speeds up remediation.

    Commercial 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....

    Free Linux