TrustCaptcha AlternativesAnti-Spam Tools and other similar apps like TrustCaptcha

TrustCaptcha is described as 'Privacy-first, invisible CAPTCHA that protects your website from bots and spam—without disrupting your users' and is a Anti-Spam tool in the security & privacy category. There are more than 10 alternatives to TrustCaptcha for a variety of platforms, including Web-based, SaaS, Self-Hosted, Docker and Wordpress apps. The best TrustCaptcha alternative is Cap Captcha, which is both free and Open Source. Other great apps like TrustCaptcha are Anubis, reCAPTCHA, Procaptcha and Private Captcha.

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TrustCaptcha alternatives page was last updated

Alternatives list

  1. Cap Captcha icon
     25 likes
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    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 TrustCaptcha.

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

    • Cap Captcha is Free and Open SourceTrustCaptcha is Freemium and Proprietary
  2. Anubis icon
     15 likes
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    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.

    47 Anubis alternatives

    Cost / License

    • Free Personal
    • Open Source

    Application type

    Platforms

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

    • reCAPTCHA is Freemium and ProprietaryTrustCaptcha is also Freemium and Proprietary
  4. Procaptcha icon
     14 likes
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    Prosopo Procaptcha redefines user verification with a unique approach that emphasizes privacy and security. It's a pioneering solution designed to offer an alternative to conventional CAPTCHA systems that often compromise user privacy.

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Wordpress
     
    • Procaptcha is the most popular SaaS alternative to TrustCaptcha.

    • Procaptcha is Freemium and Open SourceTrustCaptcha is Freemium and Proprietary
  5. Private Captcha icon
     16 likes
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    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
     
  6. ALTCHA icon
     8 likes
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    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.

    18 ALTCHA alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
     
  7. hCaptcha icon
     12 likes
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    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.

    30 hCaptcha alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
     
  8. Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • JavaScript
    • Software as a Service (SaaS)
     
  9. mCaptcha icon
     4 likes
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    A no-nonsense CAPTCHA system with seamless UX | Backend component.

    30 mCaptcha alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

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

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Python
    • JavaScript
    • Drupal
    • Django
    • PHP
    • Mautic
    • Wordpress
     
  11. Copy a direct link to this comment to your clipboard

    Friendly Captcha is a tool for preventing spam on your website.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  12. Copy a direct link to this comment to your clipboard

    A zero database architecture, powered by a proprietary hybrid in-memory indexing engine algorithm, that enables CAPTCHA authentication to be performed using minimal data bits against server memory.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
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