Alternatives to reCAPTCHA for all platforms with any license

Platforms

Web / Online

Show 5 less popular platforms
  • 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

    No features added Add a feature
  • Securimage

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

    Open Source Web

    No features added Add a feature
  • Keypic icon

    Keypic

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

    Freemium Web

    No features added Add a feature
    • Discontinued Out of business. See http://keypic.com/
  • 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

    No features added Add a feature
  • Mollom icon

    Mollom

    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

    No features added Add a feature
  • 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

    No features added Add a feature
  • phpformmailer

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

    Free Self-Hosted PHP

    No features added Add a feature

reCAPTCHA Comments

evil

Negative Comment by Anonym
about reCAPTCHA Sep 2013

94 likes(trolls) and 999999999999999999 dislikes

Reply

Soon, reCAPTCHA's CAPTCHAs will be so hard to read, only ro ...

Comment by oKtosiTe
about reCAPTCHA Jun 2011

Soon, reCAPTCHA's CAPTCHAs will be so hard to read, only robots can solve them... ;-)

Reply