NoBot CAPTCHA API Alternatives

NoBot CAPTCHA API is described as 'Developer-friendly alternative to Google reCAPTCHA that helps prevent automated bot traffic without compromising user privacy' and is a Anti-Spam tool in the security & privacy category. There are more than 25 alternatives to NoBot CAPTCHA API for a variety of platforms, including Web-based, SaaS, Self-Hosted, PHP and JavaScript apps. The best NoBot CAPTCHA API alternative is Cap Captcha, which is both free and Open Source. Other great apps like NoBot CAPTCHA API are Anubis, reCAPTCHA, Procaptcha and Private Captcha.

Copy a direct link to this comment to your clipboard
NoBot CAPTCHA API alternatives page was last updated

Alternatives list

  1. UniqPin icon
     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
     
  2. Mollom icon
     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
     
  3. Sblam! icon
     3 likes

    Open-source implementation of server-side spam filtering of blog comments and forum posts.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Linux
    • Online
     
  4. IronWall icon
     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)
     
  5. InputGuard icon
     1 like

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

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
  6. MTcaptcha icon
     3 likes

    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...

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  7. Captoshi icon
     1 like

    Captoshi is a Web3 startup redefining online earning through interactive math challenges.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
  8. Multilingual captcha developed by and for EU countries.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Self-Hosted
     
  9. 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
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  10. 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.

    Cost / License

    • Freemium
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Online
     
  11. Easy to use - Nothing stupid your visitors have to type before the form submits.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Self-Hosted
    • PHP
     
  12. AuthKong icon
     Like

    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...

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
You are at page 2 of NoBot CAPTCHA API alternatives