hCaptcha AlternativesAnti-Spam Tools and other similar apps like hCaptcha

hCaptcha is described as 'Is designed to solve the most labor intensive problem in machine learning: labeling massive amounts of data in a timely, affordable, and reliable way' and is a Anti-Spam tool in the security & privacy category. There are more than 25 alternatives to hCaptcha, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, JavaScript and PHP apps. The best hCaptcha alternative is Cap Captcha, which is both free and Open Source. Other great sites and apps similar to hCaptcha are Anubis (anti-bot), reCAPTCHA, mCaptcha and mosparo.

hCaptcha iconhCaptcha
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hCaptcha is designed to solve the most labor intensive problem in machine learning: labeling massive amounts of data in a...

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hCaptcha alternatives page was last updated May 11, 2025
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  1. Cap Captcha icon

    Cap Captcha

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

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • PT flagPortugal
    • European Union flagEU

    Platforms

    • Self-Hosted
    • Docker
    Cap Captcha screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Customizable

    Features

    1.  No Tracking
    2.  Spam Filter
    3.  Dark Mode
    4.  Ad-free
    5.  Captcha

    Cap Captcha VS hCaptcha

     

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

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

    • Cap Captcha is Free and Open SourcehCaptcha is Freemium and Proprietary
    • Cap Captcha is Lightweight and Privacy focusedhCaptcha is not according to our users
  2. Anubis (anti-bot) icon

    Anubis (anti-bot)

     6 likes
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    Anubis weighs the soul of your connection using a sha256 proof-of-work challenge in order to protect upstream resources from scraper bots.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • CA flagCanada

    Platforms

    • Self-Hosted
    • Go (Programming Language)
    • Docker
    Anubis (anti-bot) screenshot 1

    Properties

    1.  Lightweight
    2.  Security-focused

    Features

    1.  Ad-free
    2.  Golang
    3.  Bot detection
    4.  SHA256
    5.  Multi-threaded architecture
    6.  Support for Multiple threads

    Anubis (anti-bot) VS hCaptcha

     
  4. reCAPTCHA icon

    reCAPTCHA

     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.

    26 reCAPTCHA alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    reCAPTCHA screenshot 1

    reCAPTCHA Features

    1.  Spam Filter
    2.  Captcha Recognition

    reCAPTCHA VS hCaptcha

     

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

    • reCAPTCHA is Freemium and ProprietaryhCaptcha is also Freemium and Proprietary
  5. mCaptcha icon

    mCaptcha

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

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • IN flagIndia

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    mCaptcha screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Ad-free
    2.  Captcha
    3.  Rust

    mCaptcha VS hCaptcha

     

    • mCaptcha is the most popular SaaS alternative to hCaptcha.

    • mCaptcha is Free and Open SourcehCaptcha is Freemium and Proprietary
    • mCaptcha is Privacy focusedhCaptcha is not according to our users
  6. mosparo icon

    mosparo

     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.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Online
    • Self-Hosted
    • Python
    • JavaScript
    • Drupal
    • Django
    • PHP
    • Mautic
    • Wordpress
    A screenshot from the software mosparo with the empty project list.

    Properties

    1.  Privacy focused

    Features

    1.  Spam Filter
    2.  Self-hosted
    3. WordPress icon  WordPress Integration
    4. Drupal icon  Drupal Integration

    mosparo VS hCaptcha

     
  7. ALTCHA icon

    ALTCHA

     5 likes
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    ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other CAPTCHA solutions, ALTCHA is free, open-source and self-hosted, does not use cookies nor fingerprinting, does not track users, and is fully...

    16 ALTCHA alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    Simple automatic user verification

    Properties

    1.  Privacy focused

    Features

    1.  Spam Filter
    2.  GDPR Compliant
    3.  Captcha
    4.  Integrated Spam Protection

    ALTCHA VS hCaptcha

     
  9. Procaptcha icon

    Procaptcha

     11 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.

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Wordpress
    Procaptcha screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Captcha
    2.  Bot detection
    3.  Ad-free
    4.  Spam Filter
    5.  Integrated Spam Protection
    6.  No Tracking
    7.  Dark Mode
    8.  GDPR Compliant
    9.  European data privacy
    10.  Mobile friendly

    Procaptcha VS hCaptcha

     
    Comments about Procaptcha as an Alternative to hCaptcha
    Blamoso
    Positive Mar 26, 2024
    1

    Much cheaper, long trial. Way less annoying to do the captchas and not many users seem to get them

    hCaptcha Icon
    Procaptcha icon
    • Procaptcha is Freemium and Open SourcehCaptcha is Freemium and Proprietary
    • Procaptcha is Privacy focusedhCaptcha is not according to our users
  10. Cloudflare Turnstile icon

    Cloudflare Turnstile

     3 likes
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    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.

    15 Cloudflare Turnstile alternatives

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • JavaScript
    • Software as a Service (SaaS)

    Cloudflare Turnstile Features

    1.  Web-Based
    2.  Fraud detection
    3.  Bot detection

    Cloudflare Turnstile VS hCaptcha

     
  11. Friendly Captcha icon

    Friendly Captcha

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

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Online
    • Software as a Service (SaaS)
    Friendly Captcha screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  GDPR Compliant
    2.  Bot detection
    3.  Mobile friendly
    4.  Captcha
    5. WordPress icon  WordPress Integration
    6.  No Tracking
    7.  European data privacy
    8.  Web-Based
    9.  Ad-free
    10.  Spam Filter
    11.  Dark Mode

    Friendly Captcha VS hCaptcha

     
    Comments about Friendly Captcha as an Alternative to hCaptcha
    Guest
    Positive Nov 25, 2024
    0

    Friendly Captcha is GDPR compliant.

    Guest
    Positive Jan 14, 2025
    0

    Friendly Captcha is the best alternative to hCaptcha because it doesn't require annoying image clicking tasks.

    hCaptcha Icon
    Friendly Captcha icon
    • Friendly Captcha is Freemium and ProprietaryhCaptcha is also Freemium and Proprietary
    • Friendly Captcha is Privacy focusedhCaptcha is not according to our users
  12. Trustcaptcha icon

    Trustcaptcha

     2 likes
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    Trustcaptcha is your user-friendly CAPTCHA solution for preventing spam and bot attacks on your website with a focus on GDPR compliance and UX.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    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
    Contact form sample
    Demo field

    Properties

    1.  Privacy focused
    2.  Customizable

    Features

    1.  Ad-free
    2.  Captcha
    3.  Web-Based
    4.  Mobile friendly
    5.  European data privacy
    6.  GDPR Compliant
    7.  Bot detection
    8. WordPress icon  WordPress Integration

    Trustcaptcha VS hCaptcha

     
  13. UniqPin icon

    UniqPin

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

    License model

    • Free Personal • Proprietary

    Application type

    Platforms

    • Self-Hosted
    • JavaScript
    • PHP
    UniqPin screenshot 1

    UniqPin Features

    1.  Captcha Recognition

    UniqPin VS hCaptcha

     
  14. Mollom icon

    Mollom

     2 likes
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    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.

    License model

    • Freemium • Proprietary

    Country of Origin

    • BE flagBelgium
    • European Union flagEU

    Platforms

    • Online
    Discontinued

    "The Mollom content moderation service is no longer available … as of 2 April 2018."

    Mollom Features

    1.  Captcha Recognition
    2.  Content analysis

    Mollom VS hCaptcha

     
12 of 27 hCaptcha alternatives