Rapid prototyping allows quickly mocking up systems and validating with stakeholders. Axure RP is a tool that allows creating wireframes, sketches, mockups and prototypes from a desktop. It has wide capabilities like wireframes, sketches, mockups and prototypes. The workspace allows organizing pages in a sitemap, adding widgets, and formatting pages. Masters can be created and used for consistent formatting. HTML prototypes can be generated and viewed in a browser. Interactions like cases, actions, quick links and dynamic panels add functionality.