Balsamiq Cloud - Fast, approachable, collaborative wireframing
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.
Wireframe for Figma - Lightning fast wireframing on figma (500+ elements)
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Whimsical Wireframes - Lightning fast wireframing with real-time collaboration.
Invision - Prototyping and collaboration for design teams