mock-up
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An Informal Tool For Early Stage Web Site and UI Design DENIM is a system that helps web site designers in the early stages of design. DENIM supports sketching input, allows design at different refinement levels, and unifies the levels through zooming. [More]
DUB - DENIM
Why Balsamiq Mockups for wireframing? Using Mockups feels like drawing, but because it’s digital, you can tweak and rearrange easily. Teams can come up with a design and iterate over it in real-time in the course of a meeting. Product managers, designers, developers, and even clients can now work together in the same tool to quickly iterate over wireframes, before writing code. Read our Manifesto!
Mockups
Prototype Composer — Serena Software
Serena Prototype Composer helps you quickly and accurately simulate how an application will look and function without writing any code. Instead of endless text entries, complex data hierarchies, or technical UML diagrams, Serena Prototype Composer makes it easy to collaborate on requirements by building simple, high fidelity prototypes that look like the real thing. Join thousands of Serena Prototype Composer users by downloading it today.