Alternatives to UniqPin for all platforms with any license



Web / Online


  • 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

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

    Open Source Self-Hosted GitHub

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    Freemium Web / Cloud

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    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

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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.

    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

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    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

  • Confident Captcha icon

    Confident Captcha

    Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture CAPTCHA that stops spam and bots....

    Freemium Web / Cloud

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