Create video CAPTCHA system using PHP

NuCaptcha (PHP) 1.0.16383

A video CAPTCHA system to protect web forms against spam bots

Instead of the classic image-generated CAPTCHAs, this system uses a video in which letters of different colors are scrolled around the screen.

The user is then asked to type the letters of a certain color to authenticate himself.

The download contains a PHP library to help web developers embed the system on their pages.

Also get NuCaptcha for:
.NET
Java
WordPress
Drupal
CodeIgniter
vBulletin
phpBB

Here are some key features of "NuCaptcha (PHP)":

· Is displayed in video format
· Has better security features
· Positively affects conversions
· Is user friendly
· NuCaptcha leads the industry with its patent pending security platform.
· It's easier for humans to solve than conventional Captchas.
· Customizable skin, background, and message
· NuCaptcha can push ads right into a Captcha field, providing a new, highly visible ad space.
· NuCaptcha is completely served and supported on the author's servers.

download here 

source : softpedia.com