Moqups is a streamlined and intuitive web app that helps you create and collaborate on wireframes, mockups, diagrams and prototypes for any type of project.
License: Freemium
Moqups is focused on providing a user-friendly experience with a strong emphasis on templates and collaboration, making it ideal for wireframing and prototyping. In contrast, ProcessOn offers a broader range of diagramming options and is better suited for users needing versatile diagramming tools with strong community support.