Top Alternatives to Balsamiq Mockups

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.

OmniGraffle is a robust diagramming and vector graphics application designed for macOS and iOS. It empowers users to create a wide range of visuals including precise flowcharts, complex network diagrams, organizational charts, and intricate illustrations.

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.

Adobe XD is a powerful vector-based user experience design tool developed by Adobe. It is designed for creating prototypes for web and mobile applications with features like interactive mockups, animation, and responsive design capabilities. XD facilitates collaboration and sharing of design specs.

InVision is a leading digital product design platform that empowers teams to create, prototype, collaborate, and handoff exceptional user experiences. It streamlines the design workflow from concept to development.

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.

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.

Figma is a leading collaborative interface design tool that enables teams to create, prototype, and handoff designs in a single, cloud-based platform. It facilitates real-time collaboration, removing the need for manual file syncing and version control headaches.

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.

Mockup Designer is an intuitive web-based tool enabling users to rapidly create mockups, wireframes, and simple prototypes. It simplifies the initial stages of design and collaboration with a drag-and-drop interface and real-time co-editing capabilities.

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.