1. Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.

  2. Design is really about solving problems. UXPin is the UX Design Platform that gets that right.

  3. Prototyping and collaboration for design teams

  4. The prototyping and specification software used by 87% of the Fortune 100. Beyond mockups, design interactive prototypes for business solutions, websites, and applications.

  5. Fluid UI helps you prototype Android, iPhone, iPad or Windows 8 mobile apps with our custom libraries, or upload your own images for pixel perfect mobile

  6. The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project

  7. Design interactive UI prototypes for modern interfaces.

  8. Pidoco is a powerful web-based prototyping software for rapidly creating clickable wireframes and interactive UX prototypes for web and mobile applications.

  9. The prototyping tool designers have been waiting for.

  10. Principle makes it easy to create animated and interactive user interface designs.

  11. Compose elaborate interactions and animations easy, and build sensor-aided prototypes without a line of code.

  12. Using Balsamiq Mockups feels like you are drawing, but its digital, so you can tweak and rearrange...