Alternatives to Confident Captcha for all platforms with any license

  • reCAPTCHA icon


    reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. About 200 million CAPTCHAs...

    Free Web / Cloud

  • UniqPin icon


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

    Free Personal Self-Hosted JavaScript PHP

  • visualCaptcha icon


    A configurable captcha solution, focusing on accessibility & simplicity whilst maintaining security.

    Open Source Self-Hosted GitHub

  • Keypic icon


    Keypic provides a series of Web Security solutions 1) Protection from web-spam without CAPTCHA Keypic helps boost site conversions...

    Freemium Web / Cloud

  • PlayThru icon


    The PlayThru is the next generation of online human verification. It is designed to be more simple, more intuitive, and more fun than...

    Free Web / Cloud

  • Mollom icon


    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.

    Freemium Web / Cloud

  • Securimage

    Securimage is a script for generating complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added...

    Open Source Web / Cloud

  • Sblam! icon


    Open-source implementation of server-side spam filtering of blog comments and forum posts. It's available as a free web...

    Open Source Linux Web / Cloud

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