User experience (UX) is how a user feels when interacting with a system. The system could be a website, a web application or desktop software and, in modern contexts, is generally denoted by some form of human-computer interaction (HCI).
Rapid Prototyping Tool: Axure
Creates Responsive Interactive Wireframes And Prototypes: UxPin
Web App For Creating Wireframes: Mockingbird
Collaborate With Clients And Coworkers: QuirckTools
Transform Designs Into Prototypes: Invision
Adobe Air Mockup Application: Balsamiq Mockups
Adobe Air Wireframing and Prototyping Application: FlairBuilder
Useful Wireframing Tool With Minimal Interface: Wireframe.cc
Share Designs And Obtain Efficient Feedback: Notism
Mock-up And Gather Feedback Effectively: HotGloo
Create High-fidelity Prototypes: Proto.io
Online HTML5 App For Creating Wireframes: Moqups
Create Clickable Prototypes :Solidify
Desktop App To Sketch Wireframes: WireframeSketcher
Adobe Air Diagramming Application: LovelyCharts
