Alternatives to Sblam! for all platforms with any license

  • 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

  • UniqPin icon


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

    Free Personal Self-Hosted JavaScript PHP

  • Akismet icon


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

    Free Personal Web / Cloud

  • CleanTalk icon


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

    Commercial Web / Cloud

  • Keypic icon


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

    Freemium Web / Cloud

  • Mollom icon


    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

  • 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

  • phpformmailer

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

    Free Self-Hosted PHP

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