Captcha Control gives you more control over your captcha's. You can use the standard Captcha text image, our handy affiliate network to make commission from using our Advertisement Captchas with unique scroll to align Captcha's or use your own Advertisements. Shortcode: [captcha_control] Make sure to grab your API Key from http://www.captchacontrol.com

Confident CAPTCHA™ is a clickable, picture CAPTCHA that stops spam and malicious bots, while remaining a very easy CAPTCHA for humans to solve.

Simple and Easy CAPTCHA. Protects WordPress forms against spam bots by using a picture based challenge enabling users to solve it quickly and easily

minotaur - Rid the internet of text CAPTCHAs!

Stop spam bots from registering, logging in, filling out contact forms and commenting on your site without using annoying Captcha codes or puzzles.