Cacoo
Cacoo is an easy-to-use online diagram tool suitable for creating wireframes, mockups, flowcharts, and more. It supports collaboration, component libraries, data import/export, design management, templates, desktop interface, drag & drop, mockup, and wireframe creation. Cacoo’s real-time editing and feedback simplify team alignment, speeding up ideation and decision-making so concepts move smoothly from vision to reality.