What software are you looking for ?
"QMockup enables you to create prototypes of your application. You can experiment interactively with your team and your clients with QMockup. It can help you to improve project communication by bridging the gap between clients and developers. QMockup is a easy to use tools, not only the designers, developers but even your clients can use it within two minutes. Demo Online(http://www.quickmockup.com)" .....
