Alternatives to Mollom for all platforms with any license

  • 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 world every day. In each case, roughly ten seconds of human time are...

    Free Web / Cloud

  • visualCaptcha icon

    visualCaptcha

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

    Open Source Self-Hosted GitHub

  • Solve Media's CAPTCHA TYPE-IN™ 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 struggling with difficult puzzles, users enter a simple brand message or...

    Commercial Web / Cloud

  • Akismet icon

    Akismet

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

    Free Personal Web / Cloud

  • 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 solution UniqPin make human identification comfortable to user...

    Free Personal Self-Hosted JavaScript PHP

  • CleanTalk icon

    CleanTalk

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

    Commercial Web / Cloud

  • 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 Comment Spam in blogs and forums. • Protect Online Polls. •...

    Freemium Web / Cloud

  • 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 set up your own server if you prefer. It's transparent to...

    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. Download our free CAPTCHA security software today.

    Freemium Web / Cloud

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