Alternatives to Securimage for all platforms with any license

Platforms

Show 6 less popular platforms
  • reCAPTCHA icon

    reCAPTCHA

    reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. About 200 million CAPTCHAs are solved by humans around the...

    Free Web

    No features added Add a feature
  • visualCaptcha icon

    visualCaptcha

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

    Open Source Self-Hosted GitHub

    • Discontinued As from Dec 26, 2016: Please note visualCaptcha is no longer actively developed. It still works and should continue to, but it won't be improved by the initial team anymore. ... Source: https://github.com/emotionLoop/visualCaptcha/blob/master/README.md
  • UniqPin icon

    UniqPin

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

    Free Personal Self-Hosted JavaScript PHP

  • PlayThru icon

    PlayThru

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

    Free Web

  • Sblam! icon

    Sblam!

    Open-source implementation of server-side spam filtering of blog comments and forum posts. It's available as a free web service. It's open source, so you can...

    Open Source Linux Web

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