Balsamiq
Adobe Comp lets you develop layouts quickly from rough sketches and ideas. Create layouts on your phone or tablet using natural drawing gestures. Convert rough shapes and lines into crisp graphics. Start your print, web, and mobile layouts with the actual assets instead of placeholders. Pull in vector shapes, images, colors, and text styles. Easily share your layouts and collaborate. Price: Free.
Adobe XD
InVision
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Sketch
Balsamiq
InVision
Figma
Optimal Workshop
UsabilityHub
Hotjar
Proto.io
UXPin
Axure
Red Pen
Marvel
FlowMapp
Origami Studio
Webflow
Adobe Comp
Sketch
