Sale Page: http://www.exitsplash.com/index2.php
Exit Splash is a product designed for increasing earnings from your websites.
Exit splash is a small script which stops visitors who are leaving your site, and encourages them to take some action that you specify. You can decide from which door your visitors should exit. Whether you want them to sign up for your newsletter or give them a discount on a product or just want to ask for their opinion before they leave, you can use the exit splash script to do that.
Research and many experiments have shown time and again that using a pop-up like exit splash, especially on exit significantly increases sign-up rates