reCAPTCHA AlternativesOnly apps from the EU

The best alternative to reCAPTCHA is Cap Captcha, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to reCAPTCHA and nine of them are so hopefully you can find a suitable replacement. Other interesting alternatives to reCAPTCHA are ALTCHA, Friendly Captcha, Private Captcha and TrustCaptcha.

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Alternatives list

  1. Cap Captcha icon

    Cap Captcha

     27 likes

    Lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work and JS instrumentation

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
    Cap Captcha screenshot 1
     
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    1
  2. ALTCHA icon

    ALTCHA

     9 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.

    21 ALTCHA alternatives

    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.
     
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    1
  4. Friendly Captcha icon

    Friendly Captcha

     10 likes

    Friendly Captcha is a leading cybersecurity company with a clear mission: to reliably defend against modern bot attacks and spam while complying with the GDPR and other privacy regulations. As Germany's largest CAPTCHA provider, Friendly Captcha uses innovative technology to...

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Experience Friendly Captcha yourself.
     
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    5
  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
     
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    3
  6. TrustCaptcha icon

    TrustCaptcha

     2 likes

    TrustCaptcha is a privacy-first, invisible CAPTCHA that protects your website from bots and spam—without disrupting your users.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Spring
    • Kotlin
    • Rust
    • Ruby
    • Python
    • .NET Framework
    • Craft CMS
    • React
    • Groovy
    • JavaScript
    • Angular
    • Software as a Service (SaaS)
    • Scala
    • PHP
    • Go (Programming Language)
    • Typescript
    • Java
    • Wordpress
    • Node.JS
    • Vue.js
    TrustCaptcha Example
     
  7. Sblam! icon

    Sblam!

     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
     
  9. Mollom icon

    Mollom

     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. Captcha icon

    Captcha

     Like

    Protect your business from bots and spam while ensuring 100% data privacy compliance. No puzzles, no tracking – just invisible security that works.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
    • Online
     
  11. TrustSig icon

    TrustSig

     Like

    TrustSig replaces traditional CAPTCHAs with deep device fingerprinting. Puzzles and checkboxes frustrate human visitors and damage conversion rates. We built a platform that extracts hardware telemetry to block bot traffic out-of-band.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Wordpress
    TrustSig screenshot 1
     
9 of 9 reCAPTCHA alternatives