BuiltWith Alternatives

BuiltWith is described as 'Discover the technology stack powering websites through a detailed breakdown of frameworks, services, and server information' and is a technology identifier in the development category. There are more than 25 alternatives to BuiltWith for a variety of platforms, including Web-based, SaaS, Google Chrome, Mozilla Firefox and Self-Hosted apps. The best BuiltWith alternative is Wappalyzer, which is free. Other great apps like BuiltWith are WhatRuns, urlscan.io, Blacklight Privacy Inspector and Similar Tech.

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BuiltWith alternatives page was last updated

Alternatives list

  1. RenderDiff compares the initial HTML source code of any webpage with its JavaScript-rendered DOM - and highlights every SEO-relevant difference.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Google Chrome
    • Mozilla Firefox
     
  2. API suite for website intelligence: tech stack detection (Wappalyzer fingerprinting + DNS + TLS + HTTP headers), SSL/TLS certificate inspection, DNS intelligence with provider enrichment, security header analysis with letter grading, and technology change monitoring.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
  3. StackWho icon
     Like

    Turn raw tech stack data into a fully automated prospecting pipeline. Identify and target companies based on the specific technologies they use — from CRMs and analytics tools to infrastructure and dev frameworks — so you can reach the right buyers at exactly the right moment.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  4. BeaverCheck is a free website audit tool that runs 100+ checks across performance, SEO, security, accessibility, and compliance on any URL.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
  5. TheirStack is the largest job posting and technographics database, empowering sales teams to uncover opportunities through real-time technographic and hiring signals. We process over 235k jobs per day from 104k sources and track 32k technologies across 9.9M companies.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  6. At Nikto Online Scanner, we are dedicated to providing a comprehensive solution for assessing the security of web servers. Our platform offers a powerful tool that conducts extensive tests to identify potential vulnerabilities, misconfigurations, and security risks associated...

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
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