Balsamiq Wireframes is a Mac app that makes it possible to create prototypes of user interfaces in development and organize ideas visually. Whether you need to create a wireframe, sketch, mockup, or prototype for your project, Balsamiq Wireframes makes it easy to turn your ideas into reality.
One of the best features of Balsamiq Wireframes is it lets you create your design as if you were working on paper. Not only that, but this program has an intuitive interface that makes it easy to select the elements that best fit your design and bring your ideas to life. This one program has there are dozens of icons and buttons you can add to your project.
Balsamiq Wireframes has everything developers need to create mockups that clearly communicate their ideas to their clients or clear and competitive workflows that each member of the design team can work on. Check it out Balsamiq Wireframes, use its features to give shape to your ideas, and create an initial sketch for all of the projects you are developing.
3 reviews 
Comments
Very useful for prototyping, I use it a lot.