HoverSignal - Increase your website's conversions with notifications
Nextsale - Nextsale makes users feel the experience of shopping in a dynamic website.
AnyMailFinder.com - Find anyone's email address
WebsitesToolz - Use social proof to turn your online visitors into customers
Hunter - Find all the email addresses related to a domain
Slik - Blazing fast, keyboard-driven, Apps and Web Apps launcher.