CodeCaptcha Alternatives

CodeCaptcha is described as 'Hide your web link behind a mini-coding challenge' and is an website. There are more than 10 alternatives to CodeCaptcha, not only websites but also apps for a variety of platforms, including Self-Hosted, SaaS, PHP and Docker apps. The best CodeCaptcha alternative is Cap Captcha, which is both free and Open Source. Other great sites and apps similar to CodeCaptcha are Anubis, reCAPTCHA, IronWall and hCaptcha.

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CodeCaptcha alternatives page was last updated

Alternatives list

  1. Cap Captcha icon
     25 likes

    Lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
     
    • Cap Captcha is the most popular Self-Hosted alternative to CodeCaptcha.

    • Cap Captcha is the most popular Open Source & free alternative to CodeCaptcha.

    • Cap Captcha is Free and Open SourceCodeCaptcha is Free and Proprietary
    • Cap Captcha is Customizable, Lightweight and Privacy focusedCodeCaptcha is not according to our users
  2. Anubis icon
     16 likes

    Applies sha256 proof-of-work challenges to incoming HTTP requests, targeting AI crawlers, bots that ignore robots.txt, and automated scrapers, protecting server resources and preventing unwanted search engine indexing for privacy-focused sites.

    48 Anubis alternatives

    Cost / License

    • Free Personal
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • Go (Programming Language)
    • Docker
     
  3. reCAPTCHA icon
     127 likes

    reCAPTCHA is a free service that protects your site from spam and abuse, using risk analysis techniques to tell humans and bots apart.

    28 reCAPTCHA alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
     
    • reCAPTCHA is the most popular Web-based alternative to CodeCaptcha.

    • reCAPTCHA is Freemium and ProprietaryCodeCaptcha is Free and Proprietary
  4. IronWall icon
     1 like

    IronWall is a Proof-of-Work (PoW) rate-limiting protocol designed to protect high-value API endpoints (AI generation, Auth, SMS triggers) from automated abuse.

    Cost / License

    • Freemium (Subscription)
    • Open Source (MIT)

    Platforms

    • Online
    • Software as a Service (SaaS)
     
    • IronWall is the most popular SaaS alternative to CodeCaptcha.

    • IronWall is Freemium and Open SourceCodeCaptcha is Free and Proprietary
    • IronWall is Privacy focused and LightweightCodeCaptcha is not according to our users
  5. hCaptcha icon
     13 likes

    hCaptcha is designed to solve the most labor intensive problem in machine learning: labeling massive amounts of data in a timely, affordable, and reliable way.

    31 hCaptcha alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
     
  6. mCaptcha icon
     4 likes

    A no-nonsense CAPTCHA system with seamless UX | Backend component.

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
  7. mosparo icon
     4 likes

    mosparo is the modern solution for protecting your online forms from spam. The protection method is quite simple: mosparo blocks spam using rules matching the form’s data. The detection method is comparable to an e-mail spam filter.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Python
    • JavaScript
    • Drupal
    • Django
    • PHP
    • Mautic
    • Wordpress
     
  8. UniqPin icon
     3 likes

    UniqPin is a free for non-commercial use service which destiny improve ability of interfaces detect a human or a computer operate with it.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Self-Hosted
    • JavaScript
    • PHP
     
  9. Mollom icon
     2 likes

    Mollom is a freemium web service to get rid of spam, unwanted content and fake users on your Drupal, Wordpress and Joomla site or blog.

    Cost / License

    • Freemium
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Online
     
  10. Sblam! icon
     3 likes

    Open-source implementation of server-side spam filtering of blog comments and forum posts.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Linux
    • Online
     
    • Sblam! is the most popular Linux alternative to CodeCaptcha.

    • Sblam! is Free and ProprietaryCodeCaptcha is also Free and Proprietary
  11. MTcaptcha icon
     3 likes

    MTCaptcha is a smart captcha service that prioritizes privacy and accessibility. It offers an adaptive invisible noCaptcha that is easy for humans but hard for bots, making verification frictionless. MTCaptcha is GDPR and WCAG compliant, ensuring that your data is never sold or...

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
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