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 SaaS, Self-Hosted, Python 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 Anubis, reCAPTCHA, PrivateStater and IronWall.

More about AuthKong
Copy a direct link to this comment to your clipboard
Alternatives
Get a badge for your siteAuthKong alternatives page was last updated

Alternatives list

  1. Cap Captcha icon

    Cap Captcha

     28 likes

    Lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work and JS instrumentation

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
    • PT flagPortugal
    • European Union flagEU
    Cap Captcha screenshot 1
    Good alternative?
     
  2. Anubis icon

    Anubis

     19 likes

    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.

    58 Anubis alternatives

    Cost / License

    • Free Personal
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • Go (Programming Language)
    • Docker
    • CA flagCanada
    Anubis screenshot 1
    Good alternative?
     
  4. reCAPTCHA icon

    reCAPTCHA

     127 likes

    reCAPTCHA is a free service that protects your site from spam and abuse, using risk analysis techniques to tell humans and bots apart.

    35 reCAPTCHA alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • US flagUnited States
    reCAPTCHA screenshot 1
    Good alternative?
     
  5. PrivateStater icon

    PrivateStater

     1 like

    Analytics, Captcha, Feedback widget in one script.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    • KR flagSouth Korea
    PrivateStater screenshot 1
    Good alternative?
     
  6. IronWall icon

    IronWall

     1 like

    IronWall is a Proof-of-Work (PoW) rate-limiting protocol designed to protect high-value API endpoints (AI generation, Auth, SMS triggers) from automated abuse.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    IronWall screenshot 1
    Good alternative?
     
  8. hCaptcha icon

    hCaptcha

     12 likes

    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.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • US flagUnited States
    hCaptcha screenshot 1
    Good alternative?
     
  9. mosparo icon

    mosparo

     6 likes

    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 (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Python
    • JavaScript
    • Drupal
    • Django
    • PHP
    • Mautic
    • Wordpress
    • CH flagSwitzerland
    A screenshot from the software mosparo with the empty project list.
    Good alternative?
     
  10. mCaptcha icon

    mCaptcha

     4 likes

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

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • IN flagIndia
    mCaptcha screenshot 1
    Good alternative?
     
  11. unCAPTCHA icon

    unCAPTCHA

     1 like

    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...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    Good alternative?
     
  12. UniqPin icon

    UniqPin

     3 likes

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

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Self-Hosted
    • JavaScript
    • PHP
    UniqPin screenshot 1
    Good alternative?
     
  13. Mollom icon

    Mollom

     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?
     
  14. 5arz icon

    5arz

     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?
     
12 of 19 AuthKong alternatives