Confident CAPTCHA™ is a clickable, picture CAPTCHA that stops spam and malicious bots, while remaining very easy for people to solve.
Stop spam with a fun, fast mini-game CAPTCHA! FunCaptcha is free, and works on every desktop and mobile device. For BuddyPress, Gravity Forms, CF7.
This plugin allows you to implement super security captcha form into web forms.
Protect your blog from login brute force attacks adding a captcha on login page of your site
Sweet Captcha - Design your own CAPTCHA and put your users and your website at first priority.
Stop spam and bots with PlayThru, the fun, free CAPTCHA alternative!
Protect your site with a video CAPTCHA solution that provides better security and is easier to read for your visitors.
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