Captcheck Alternatives

Captcheck is described as 'Open source reCAPTCHA alternative' and is an app. There are more than 10 alternatives to Captcheck for a variety of platforms, including Web-based, SaaS, Self-Hosted, Wordpress and PHP apps. The best Captcheck alternative is Cap Captcha, which is both free and Open Source. Other great apps like Captcheck are reCAPTCHA, hCaptcha, mosparo and mCaptcha.

Captcheck iconCaptcheck
  0
  • Free • Open Source
  • ...

Open source reCAPTCHA alternative.

More about Captcheck
More about Captcheck
Captcheck alternatives page was last updated Apr 12, 2025
Copy a direct link to this comment to your clipboard
Alternatives
  1. Cap Captcha icon

    Cap Captcha

     14 likes
    Copy a direct link to this comment to your clipboard

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

    27 Cap Captcha alternatives

    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 Captcheck

     

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

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

    • Cap Captcha is Free and Open SourceCaptcheck is also Free and Open Source
    • Cap Captcha is Lightweight and Privacy focusedCaptcheck is not according to our users
  2. reCAPTCHA icon

    reCAPTCHA

     127 likes
    Copy a direct link to this comment to your clipboard

    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 Captcheck

     

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

    • reCAPTCHA is Freemium and ProprietaryCaptcheck is Free and Open Source
  4. hCaptcha icon

    hCaptcha

     12 likes
    Copy a direct link to this comment to your clipboard

    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.

    27 hCaptcha alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    hCaptcha screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Captcha
    2.  Bot detection
    3.  Web-Based
    4.  GDPR Compliant

    hCaptcha VS Captcheck

     
  5. mosparo icon

    mosparo

     4 likes
    Copy a direct link to this comment to your clipboard

    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.

    22 mosparo alternatives

    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 Captcheck

     
  6. mCaptcha icon

    mCaptcha

     3 likes
    Copy a direct link to this comment to your clipboard

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

    27 mCaptcha alternatives

    License model

    • Free • Open Source

    Application type

    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 Captcheck

     

    • mCaptcha is the most popular SaaS alternative to Captcheck.

    • mCaptcha is Free and Open SourceCaptcheck is also Free and Open Source
    • mCaptcha is Privacy focusedCaptcheck is not according to our users
  7. Friendly Captcha icon

    Friendly Captcha

     10 likes
    Copy a direct link to this comment to your clipboard

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

    21 Friendly Captcha alternatives

    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 Captcheck

     
  9. Procaptcha icon

    Procaptcha

     9 likes
    Copy a direct link to this comment to your clipboard

    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.

    26 Procaptcha alternatives

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

    Procaptcha VS Captcheck

     
  10. InputGuard icon

    InputGuard

     1 like
    Copy a direct link to this comment to your clipboard

    InputGuard is the privacy friendly alternative to reCAPTCHA or other captcha tools.

    11 InputGuard alternatives

    License model

    • Freemium • Proprietary

    Platforms

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

    Properties

    1.  User friendly

    Features

    1.  GDPR Compliant
    2.  Captcha
    3.  Bot detection
    4.  Mobile friendly

    InputGuard VS Captcheck

     
  11. MTcaptcha icon

    MTcaptcha

     3 likes
    Copy a direct link to this comment to your clipboard

    MTCaptcha is a smart captcha service that prioritizes privacy and accessibility. It offers an adaptive invisible noCaptcha that is easy for humans but hard for bots, making verification frictionless. MTCaptcha is GDPR and WCAG compliant, ensuring that your data is never sold or...

    20 MTcaptcha alternatives

    License model

    • Freemium • Proprietary

    Platforms

    • Software as a Service (SaaS)
    MTCAptcha Standard

    MTcaptcha Features

    1.  GDPR Compliant
    2.  Captcha

    MTcaptcha VS Captcheck

     
  12. IconCaptcha icon

    IconCaptcha

     Like
    Copy a direct link to this comment to your clipboard

    conCaptcha is a self-hosted captcha which is faster, more user-friendly and more customizable than other captchas - available for PHP and ASP.NET websites. Users no longer have to read any annoying text images, solve difficult math equations or play any puzzle games.

    18 IconCaptcha alternatives

    License model

    • Free • Open Source

    Platforms

    • Self-Hosted
    IconCaptcha screenshot 1

    Properties

    1.  User friendly

    Features

    1.  Bots
    2.  Captcha

    IconCaptcha VS Captcheck

     
  13. AuthKong icon

    AuthKong

     Like
    Copy a direct link to this comment to your clipboard

    AuthKong is a smart captcha service designed to protect websites from spam and abuse while ensuring real users can pass through effortlessly. It offers a more user-friendly and effective alternative to traditional captcha systems like reCAPTCHA, featuring easy-to-use slider and...

    14 AuthKong alternatives

    License model

    • Freemium • Proprietary

    Platforms

    • Online
    AuthKong screenshot 1

    AuthKong Features

    1.  Captcha
    2.  Bots

    AuthKong VS Captcheck

     
  14. Confident Captcha icon

    Confident Captcha

     2 likes
    Copy a direct link to this comment to your clipboard

    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.

    18 Confident Captcha alternatives

    License model

    • Freemium • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Confident Captcha screenshot 1
    Discontinued

    Domain no longer exist

    Confident Captcha Features

    1.  Two-factor Authentication
    2.  Captcha Recognition

    Confident Captcha VS Captcheck

     
12 of 17 Captcheck alternatives