EU Captcha Alternatives

EU Captcha is described as 'Multilingual captcha developed by and for EU countries' and is an app in the security & privacy category. There are more than 10 alternatives to EU Captcha for a variety of platforms, including Web-based, Self-Hosted, SaaS, PHP and Docker apps. The best EU Captcha alternative is Cap Captcha, which is both free and Open Source. Other great apps like EU Captcha are Anubis, reCAPTCHA, Private Captcha and hCaptcha.

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EU Captcha alternatives page was last updated

Alternatives list

  1. Cap Captcha icon

    Cap Captcha

     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 screenshot 1
     
  2. Anubis icon

    Anubis

     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
    Anubis screenshot 1
     
  4. reCAPTCHA icon

    reCAPTCHA

     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
    • Proprietary

    Application type

    Platforms

    • Online
    reCAPTCHA screenshot 1
     
  5. Private Captcha icon

    Private Captcha

     16 likes

    Private Captcha is an independent, privacy-first, self-hostable Proof-of-Work CAPTCHA service made in EU. Instead of asking users to solve complex puzzles or track their behavior, Private Captcha solves an invisible cryptographic task in the background.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Docker
    Internal portal screenshot
     
  6. hCaptcha icon

    hCaptcha

     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
    • Proprietary

    Application type

    Platforms

    • Online
    hCaptcha screenshot 1
     
  7. IronWall icon

    IronWall

     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
    • Open Source (MIT)

    Platforms

    • Online
    • Software as a Service (SaaS)
    IronWall screenshot 1
     
  9. Cloudflare Turnstile icon

    Cloudflare Turnstile

     5 likes

    Turnstile is Cloudflare's smart CAPTCHA alternative. It automatically chooses from a rotating suite of non-intrusive browser challenges based on telemetry and client behavior exhibited during a session.

    19 Cloudflare Turnstile alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • JavaScript
    • Software as a Service (SaaS)
     
  10. ALTCHA icon

    ALTCHA

     8 likes

    ALTCHA is a privacy-first solution built to help developers and website owners stop bots, spam, and automated abuse — without making things harder for real users. It replaces traditional CAPTCHA systems with a smarter, quieter approach to verification and threat detection.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    ALTCHA Sentinel - Self-hosted spam protection for websites, apps, and services.
     
  11. mCaptcha icon

    mCaptcha

     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)
    mCaptcha screenshot 1
     
  12. mosparo icon

    mosparo

     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
    A screenshot from the software mosparo with the empty project list.
     
  14. UniqPin icon

    UniqPin

     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
    UniqPin screenshot 1
     
12 of 23 EU Captcha alternatives