reCAPTCHA Alternatives

Sites and apps similar to reCAPTCHA include Cap Captcha, which is free and open source. Other options are Anubis, Cloudflare Turnstile, ALTCHA and Procaptcha. Anti-Spam Tools like reCAPTCHA are a crowded field, with more than 25 alternatives for self-hosting.

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Alternatives
reCAPTCHA alternatives page was last updated

Alternatives list

  1. 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
    Good alternative?
     
  2. Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture CAPTCHA that stops spam and bots. Download our free CAPTCHA security software today.

    Cost / License

    • Freemium
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Online
    Good alternative?
     
  3. 5arz icon
     1 like

    Prove a real, unique human performed an action; mint a signed, verifiable Proof-of-Human credential. MCP server for agents.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
  4. Captoshi icon
     1 like

    Captoshi is a Web3 startup redefining online earning through interactive math challenges.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  5. NoBot CAPTCHA API is a developer-friendly alternative to Google reCAPTCHA that helps prevent automated bot traffic without compromising user privacy.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  6. Captcha icon
     Like

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

    29 Captcha alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
    • Online
    Good alternative?
     
  7. HUMA icon
     Like

    HUMA is a behavioral bot detection API. One API call gives you a real-time human trust score (0-100) without CAPTCHAs, SDKs, or frontend changes. 14-day free trial.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  8. TrustSig icon
     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
    Good alternative?
     
  9. Privacy-first, self-hosted CAPTCHA for the modern web. No Google. No telemetry. No visual puzzles. Protect your software from bots without handing over your users' data to a third party.

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Python
    • Software as a Service (SaaS)
    Good alternative?
     
  10. Easy to use - Nothing stupid your visitors have to type before the form submits.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Self-Hosted
    • PHP
    Good alternative?
     
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