Sites like Tenable®

01 · Entity

About Tenable®

Tenable® nessus.org

Nessus Vulnerability Scanner: Network Security Solution | Tenable®

Find out more about Nessus - the trusted gold standard for vulnerability assessment, designed for modern attack surfaces - used by thousands of organizations.

Top 10K · #4,029 English 8 technologies Crawled Nov 6, 2026

Visit Tenable®

Summary by Claude

Product site for Tenable Nessus, a vulnerability scanner that finds missing patches, misconfigurations and security flaws across operating systems, devices and applications, with compliance checks, risk scoring and reporting.

Who it’s for

IT security teams and penetration testers

Business model

Software subscriptions

• vulnerability scanning software
• vulnerability scanner
• Nessus Professional
• Nessus Expert
• compliance checks
• CVSS and EPSS risk scoring
• misconfiguration detection
• patch auditing
• exposure management

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Tenable®’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   Qualys qualys.com Top 10K

   Enterprise Cyber Risk and Security Platform | Qualys

   Discover how Qualys helps your business measure & eliminate cyber threats through a host of cybersecurity detection & remediation tools. Try it today!

   • Cloudflare
   • Adobe
   • Apple Business
   • Canva
   • Cloudflare DNS
   • DocuSign

   0 say Qualys is a good alternative to Tenable® 0 say Qualys isn’t a real alternative to Tenable®

   Comment
   Close cos 0.893
2. 02
   New Relic newrelic.com Top 1K English

   AI-powered Observability

   New Relic is an AI-powered observability platform that correlates your telemetry across your entire stack, so you can isolate the root cause and reduce MTTR.

   • Drupal
   • Google Workspace
   • Marketo
   • PHP
   • Adobe
   • Apple Business

   0 say New Relic is a good alternative to Tenable® 0 say New Relic isn’t a real alternative to Tenable®

   Comment
   Close cos 0.872
3. 03
   Trend Micro trendmicro.com Top 1K English

   Global Enterprise AI Cybersecurity Platform | Trend Micro

   Enterprise AI cybersecurity platform with layered protection, cyber risk exposure management and SecOps—62 global offices, the United States HQ office is in Texas.

   • Marketo
   • Adobe
   • Adobe Experience Manager
   • Akamai Edge DNS
   • Apple Business
   • Atlassian

   0 say Trend Micro is a good alternative to Tenable® 0 say Trend Micro isn’t a real alternative to Tenable®

   Comment
   Close cos 0.869
4. 04
   Sentry sentry.io Top 1K English

   Application Performance Monitoring & Error Tracking Software | Sentry

   Application performance monitoring for developers & software teams to see errors clearer, solve issues faster & continue learning continuously. Get started at sentry.io.

   • Google Workspace
   • Marketo
   • Apple Business
   • Astro
   • Atlassian
   • DocuSign

   0 say Sentry is a good alternative to Tenable® 0 say Sentry isn’t a real alternative to Tenable®

   Comment
   Close cos 0.868
5. 05
   WPGuardian wpguardian.com Top 1K English

   Effective Security for WordPress Sites- WPGuardian

   Your All Seeing Eye to proactively scan & identify threats

   • Cloudflare
   • Google Tag Manager
   • PHP
   • Amplitude
   • Cloudflare DNS
   • Cloudflare Web Analytics

   0 say WPGuardian is a good alternative to Tenable® 0 say WPGuardian isn’t a real alternative to Tenable®

   Comment
   Close cos 0.867
6. 06
   Tanium tanium.com Top 10K English

   Autonomous IT, endpoint intelligence and control | Tanium

   Tanium is a unified endpoint management and security platform: agentic AI for real-time visibility, patching, and risk remediation across endpoints.

   • Cloudflare
   • Google Tag Manager
   • Adobe
   • Apple Business
   • Atlassian
   • Cloudflare DNS

   0 say Tanium is a good alternative to Tenable® 0 say Tanium isn’t a real alternative to Tenable®

   Comment
   Close cos 0.868
7. 07
   Common Vulnerabilities and Exposures cve.org Top 10K English

   a list of publicly known cybersecurity vulnerabilities

   • Amazon Route 53
   • Amazon SES
   • Amazon Web Services
   • Amazon CloudFront

   0 say Common Vulnerabilities and Exposures is a good alternative to Tenable® 0 say Common Vulnerabilities and Exposures isn’t a real alternative to Tenable®

   Comment
   Close cos 0.866
8. 08
   Elastic elastic.co Top 10K English

   Elastic: The search database for AI | Search, AI agents, Observability, and Security | Elastic

   Powered by Elasticsearch. Ready to deploy your data? Start free.

   • Google Tag Manager
   • Google Workspace
   • Amazon Route 53
   • Adobe
   • Atlassian
   • DocuSign

   0 say Elastic is a good alternative to Tenable® 0 say Elastic isn’t a real alternative to Tenable®

   Comment
   Close cos 0.864
9. 09
   Semrush semrush.com Top 10K English

   Semrush: Your Unfair Advantage for Growing Brand Visibility

   Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.

   • Google Workspace
   • Marketo
   • Mimecast
   • PHP
   • Adobe
   • Amazon SES

   0 say Semrush is a good alternative to Tenable® 0 say Semrush isn’t a real alternative to Tenable®

   Comment
   Close cos 0.867
10. 10
    CISA cisa.gov Top 10K English

    Home Page | CISA

    Cybersecurity and Infrastructure Security Agency: America's Cyber Defense Agency

    • Drupal
    • Google Tag Manager
    • PHP
    • Adobe
    • Atlassian
    • Google Fonts

    0 say CISA is a good alternative to Tenable® 0 say CISA isn’t a real alternative to Tenable®

    Comment
    Close cos 0.865
11. 11
    Synology synology.com Top 1K English

    Synology Inc.

    Synology uniquely enables you to manage, secure, and protect your data - at the scale needed to accommodate the exponential data growth of the digital world.

    • Amazon Route 53
    • Amazon SES
    • Amazon CloudFront
    • Google Search Console
    • jQuery
    • Mailchimp Transactional

    0 say Synology is a good alternative to Tenable® 0 say Synology isn’t a real alternative to Tenable®

    Comment
    Close cos 0.862
12. 12
    Check Point checkpoint.com Top 1K English

    Check Point Software: Leader in Cyber Security Solutions

    Check Point Software Technologies Ltd. is a leading provider of cyber security solutions to corporate enterprises and governments globally.

    • Google Tag Manager
    • PHP
    • Apple Business
    • Atlassian
    • Bootstrap
    • Canva

    0 say Check Point is a good alternative to Tenable® 0 say Check Point isn’t a real alternative to Tenable®

    Comment
    Close cos 0.863
13. 13
    Zscaler zscaler.com Top 10K English

    Leading Cloud Enterprise Security Provider for Zero Trust

    Zscaler is a leading cloud enterprise security provider helping global businesses adopt zero trust for secure digital transformation.

    • Cloudflare
    • Google Tag Manager
    • Google Workspace
    • Marketo
    • Adobe
    • Apple Business

    0 say Zscaler is a good alternative to Tenable® 0 say Zscaler isn’t a real alternative to Tenable®

    Comment
    Close cos 0.863
14. 14
    Netgate netgate.com Top 10K English

    Netgate | Firewall, VPN and Routing Solutions

    Netgate is an open-source driven secure networking company that provides appliance and software-based firewall, VPN and routing solutions including pfSense

    • Cloudflare
    • Google Tag Manager
    • Google Workspace
    • Google Analytics
    • HubSpot
    • HubSpot CMS

    0 say Netgate is a good alternative to Tenable® 0 say Netgate isn’t a real alternative to Tenable®

    Comment
    Close cos 0.861
15. 15
    ESET eset.com Top 1K English

    ESET Cybersecurity | Enterprise, Business and Home Solutions | ESET

    Best IT security solutions for your home and business devices. Try ESET antivirus and internet security solutions for Windows, Android, Mac or Linux OS.

    • Apple Business
    • Atlassian
    • Google Search Console
    • Meta Business Suite
    • Microsoft 365
    • NS1

    0 say ESET is a good alternative to Tenable® 0 say ESET isn’t a real alternative to Tenable®

    Comment
    Close cos 0.863
16. 16
    Turnitin turnitin.com Top 10K

    ERROR: The request could not be satisfied

    Internet-based plagiarism-prevention service

    • Google Workspace
    • Amazon Route 53
    • Amazon SES
    • Apple Business
    • Atlassian
    • Amazon CloudFront

    0 say Turnitin is a good alternative to Tenable® 0 say Turnitin isn’t a real alternative to Tenable®

    Comment
    Close cos 0.861
17. 17
    DefensX defensx.com Top 10K English

    DefensX | Secure Workspace

    DefensX offers a powerful secure browser and enterprise browser solution that protects users from web-based threats while enabling safe, compliant, and efficient browsing.

    • Cloudflare
    • Google Tag Manager
    • Atlassian
    • Cloudflare DNS
    • Google Analytics
    • Google Search Console

    0 say DefensX is a good alternative to Tenable® 0 say DefensX isn’t a real alternative to Tenable®

    Comment
    Close cos 0.860
18. 18
    Arkose Labs arkoselabs.com Top 10K English

    Arkose Labs | See Every AI Agent, Even After It Changes

    Personal AI agents like Muse never stop changing. Arkose Titan changes with them and lets you decide what each one can do.

    • Cloudflare
    • Google Tag Manager
    • Google Workspace
    • Marketo
    • Amazon Route 53
    • Adobe

    0 say Arkose Labs is a good alternative to Tenable® 0 say Arkose Labs isn’t a real alternative to Tenable®

    Comment
    Close cos 0.860
19. 19
    Rapid7 rapid7.com Top 10K English

    Rapid7 Managed Cybersecurity: Outpace Attackers

    Outpace attackers with the only endpoint to cloud, unified cybersecurity platform. Build business resilience with expert-led 24/7 MDR.

    • Cloudflare
    • Google Tag Manager
    • Google Workspace
    • Amazon Route 53
    • Adobe
    • Apple Business

    0 say Rapid7 is a good alternative to Tenable® 0 say Rapid7 isn’t a real alternative to Tenable®

    Comment
    Close cos 0.860
20. 20
    HashiCorp hashicorp.com Top 10K English

    Vercel Security Checkpoint

    American software company

    • Amazon Route 53
    • Adobe
    • Apple Business
    • Astro
    • Atlassian
    • Canva

    0 say HashiCorp is a good alternative to Tenable® 0 say HashiCorp isn’t a real alternative to Tenable®

    Comment
    Close cos 0.860

Ranked by score: the cosine similarity of each site’s vector to nessus.org’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Tenable® uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What Tenable® is built with, and what its closest competitors use, from its homepage’s code and its DNS records.