There&#x27;s been a flood of these types of tools recently, Origami being one of the early ones. I found this handy comparison chart:<p><a href="http:&#x2F;&#x2F;www.cooper.com&#x2F;prototyping-tools" rel="nofollow">http:&#x2F;&#x2F;www.cooper.com&#x2F;prototyping-tools</a>