Top Alternatives to Mockup Designer

Lucidchart is a leading web-based diagramming software that empowers individuals and teams to create complex visual representations of ideas, systems, and processes. It offers extensive shape libraries, real-time collaboration features, and seamless integration with popular productivity tools, making it ideal for flowcharts, UML diagrams, wireframes, and more.

Pencil Project is a free and open-source GUI prototyping tool that helps designers and developers create wireframes and mockups easily. Available as a standalone application and a Firefox extension, it offers a wide range of built-in shapes and templates for various platforms.

Balsamiq Mockups is a low-fidelity wireframing tool designed for rapid prototyping and brainstorming. It allows users to quickly create mockups of user interfaces and collaborate on design ideas with a focus on functionality rather than detailed visual design.

Moqups is a versatile web-based design and collaboration tool for creating wireframes, mockups, diagrams, and prototypes, streamlining the design process from concept to handoff.

Cacoo is a collaborative online diagramming and flowcharting tool that allows teams to visualize ideas and processes in real-time. With a user-friendly interface and a wealth of templates, it simplifies the creation of professional-looking diagrams, making it ideal for teams seeking improved communication and clarity.

Axure RP is a comprehensive software tool for designing, prototyping, and documenting digital products. It empowers UX professionals and designers to create interactive wireframes and prototypes with rich functionality, facilitating collaboration and stakeholder feedback.

UXPin is a comprehensive design platform for creating interactive prototypes, wireframes, and mockups. It facilitates seamless team collaboration throughout the design process, from initial concept to developer handoff.

Antetype is a robust design and layout tool built to streamline the creation of highly functional user interfaces and prototypes. With a focus on efficiency and precision, it leverages a rich set of features including a comprehensive widget library and powerful layout options, enabling designers to rapidly iterate and refine their UI designs.

Mockingbird is a streamlined online tool for creating interactive wireframes and mockups quickly. It helps designers, product managers, and developers visualize user flows and application UIs early in the design process, focusing on the core structure and interaction.

Fluid UI is a powerful, browser-based wireframing and prototyping tool designed specifically for creating interactive mobile touch interfaces with speed and ease. It empowers designers and developers to rapidly build and test ideas.

Diagramo is a robust, open-source web-based diagramming tool perfect for creating flowcharts, graphs, and various diagrams directly in your browser. Built on HTML5, it offers real-time collaboration and flexible export options, making it accessible and versatile.

MockFlow is a comprehensive design platform offering a suite of tools for wireframing, prototyping, UI mockups, and collaboration. It helps teams visualize and iterate on ideas for websites and applications.

Pidoco is a cloud-based prototyping and wireframing tool enabling teams to collaboratively design, test, and iterate on user interfaces and experiences for web and mobile applications. It streamlines the design process from initial sketches to interactive prototypes.