There are also those that provide an end-to-end solution, all the way from basic wireframes to hi-fi prototyping. As such, some user interface design software tools focus purely on functional aspects like wireframing and lo-fi prototypes. A good UI design software should help you navigate the course of a project through the initial sketches and drawings to the wireframes to the actual UI design to prototyping, In other words, it should be able to handle one, several, or all the stages that lay between the initial PRD or product requirements document and the actual coding at the development end and subsequent testing. UI design software refers to a set of software applications that form the first few stages of developing a digital product.
