AuthKong Alternatives

AuthKong is described as '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' and is an website in the online services category. There are more than 10 alternatives to AuthKong, not only websites but also apps for a variety of platforms, including Self-Hosted, SaaS, PHP and JavaScript apps. The best AuthKong alternative is Cap Captcha, which is both free and Open Source. Other great sites and apps similar to AuthKong are reCAPTCHA, hCaptcha, mosparo and mCaptcha.

AuthKong iconAuthKong
  0
  • Freemium • Proprietary
  • ...

AuthKong is a smart captcha service designed to protect websites from spam and abuse while ensuring real users can pass...

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More about AuthKong
AuthKong alternatives page was last updated Apr 12, 2025
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Alternatives
  1. Cap Captcha icon

    Cap Captcha

     14 likes
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    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 AuthKong

     

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

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

    • Cap Captcha is Free and Open SourceAuthKong is Freemium and Proprietary
    • Cap Captcha is Lightweight and Privacy focusedAuthKong is not according to our users
  2. 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 AuthKong

     

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

    • reCAPTCHA is Freemium and ProprietaryAuthKong is also Freemium and Proprietary
  4. hCaptcha icon

    hCaptcha

     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.

    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 AuthKong

     
  5. 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.

    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 AuthKong

     
  6. mCaptcha icon

    mCaptcha

     3 likes
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    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 AuthKong

     

    • mCaptcha is the most popular SaaS alternative to AuthKong.

    • mCaptcha is Free and Open SourceAuthKong is Freemium and Proprietary
    • mCaptcha is Privacy focusedAuthKong is not according to our users
  7. unCAPTCHA icon

    unCAPTCHA

     1 like
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    CAPTCHAs are the Internet's first line of defense against automated account creation and service abuse. Google's reCaptcha, one of the most popular captcha systems, is currently used by hundreds of thousands of websites to protect against automated attackers by testing...

    5 unCAPTCHA alternatives

    License model

    • Free • Open Source

    Platforms

    • Linux

    unCAPTCHA VS AuthKong

     

    • unCAPTCHA is the most popular Linux alternative to AuthKong.

    • unCAPTCHA is Free and Open SourceAuthKong is Freemium and Proprietary
  9. 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.

    18 UniqPin alternatives

    License model

    • Free Personal • Proprietary

    Application type

    Platforms

    • Self-Hosted
    • JavaScript
    • PHP
    UniqPin screenshot 1

    UniqPin Features

    1.  Captcha Recognition

    UniqPin VS AuthKong

     
  10. Solve Media's CAPTCHA TYPE-IN™ icon

    Solve Media's CAPTCHA TYPE-IN™

     2 likes
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    Solve Media's CAPTCHA TYPE-IN ads are an easy plug-in solution that saves your users time while making your site more secure and more profitable. Instead of struggling with difficult puzzles, users enter a simple brand message or security phrase.

    18 Solve Media's CAPTCHA TYPE-IN™ alternatives

    License model

    Application type

    Platforms

    • Online
    Solve Media's CAPTCHA TYPE-IN™ screenshot 1

    Solve Media's CAPTCHA TYPE-IN™ Features

    1.  Captcha Recognition

    Solve Media's CAPTCHA TYPE-IN™ VS AuthKong

     

    • Solve Media's CAPTCHA TYPE-IN™ is the most popular commercial alternative to AuthKong.

    • Solve Media's CAPTCHA TYPE-IN™ is Paid and ProprietaryAuthKong is Freemium and Proprietary
  11. 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.

    21 Mollom alternatives

    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 AuthKong

     
  12. MTcaptcha icon

    MTcaptcha

     3 likes
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    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 AuthKong

     
  13. Arkose Labs icon

    Arkose Labs

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    The Arkose Labs platform undermines the economic drivers behind fraud until perpetrators are compelled to abandon attacks. Real-time risk classification of traffic with interactive enforcement challenges, the solution defeats automated attacks...

    16 Arkose Labs alternatives

    License model

    Platforms

    • Software as a Service (SaaS)
    Arkose Labs screenshot 1

    Arkose Labs Features

    1.  Fraud detection
    2.  Captcha

    Arkose Labs VS AuthKong

     
  14. CodeCaptcha icon

    CodeCaptcha

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    Hide your web link behind a mini-coding challenge.

    20 CodeCaptcha alternatives

    License model

    • Free • Proprietary

    Country of Origin

    • PK flagPakistan

    Platforms

    • Online
    CodeCaptcha screenshot 1

    CodeCaptcha Features

    1.  Captcha

    CodeCaptcha VS AuthKong

     
12 of 14 AuthKong alternatives