Alternatives to Mollom for all platforms with any license


    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

    reCAPTCHA icon
    • Mollom analyzes content, whereas reCAPTCHA performs checks on the visitor. Both are useful anti-spam techniques, but they aren't equivalent. smokrisJul 2017 Disagree   Agree
  • Akismet

    A spam filtering program that is free for personal use and you have to pay for corporate usage.

    Free Personal Web

    No features added Add a feature

    Akismet icon
  • visualCaptcha

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

    Free Open Source Self-Hosted GitHub

    visualCaptcha icon
    • 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:
  • CleanTalk

    Spam protection plugins for Joomla, WordPress, phpBB3, IP.Board, vBulletin and etc. Protection without CAPTCHA.

    Commercial Web

    No features added Add a feature

    CleanTalk icon
  • Solve Media's CAPTCHA TYPE-IN™

    Solve Media's CAPTCHA TYPE-IN ads are an easy plug-in solution that saves your users time while making your site more secure and more profitable. Instead of...

    Commercial Web

    No features added Add a feature

    Solve Media's CAPTCHA TYPE-IN™ 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

    UniqPin 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...

    Free Open Source Linux Web

    No features added Add a feature

    Sblam! icon
  • FunCaptcha

    FunCaptcha is another Captcha software, but it has something more to it. No more "Write this into the box" captchas! These are Fun captchas!.

    Free Web

    No features added Add a feature

    FunCaptcha icon
  • Negative Captcha

    A plugin to make the process of creating a negative captcha in Rails much less painful.

    Free Open Source Self-Hosted

    No features added Add a feature

    Negative Captcha icon


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