Axure RP Alternatives for Mac OS X

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.

ConceptDraw PRO is a versatile diagramming tool designed for creating professional business graphics, flowcharts, mind maps, project diagrams, and more. It provides a comprehensive set of tools and libraries for visual communication and project management.

Apache OpenOffice Draw is a powerful vector graphics editor within the OpenOffice suite. It's ideal for creating flowcharts, diagrams, technical drawings, and general vector illustrations with ease and precision.

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.

Edraw Max is a powerful, all-in-one diagramming software for creating professional diagrams, charts, floor plans, network diagrams, and much more. It offers a vast library of templates and symbols for various industries, facilitating efficient visual communication and project planning for individuals and teams.

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.

Lovely Charts is an intuitive online diagramming application designed for creating professional diagrams quickly and efficiently. It caters to various diagramming needs, including flowcharts, sitemaps, organization charts, and more, offering a user-friendly interface and essential collaboration features.

ProcessOn is an intuitive online diagramming tool designed for creating flowcharts, mind maps, UML diagrams, and more. It facilitates real-time collaboration and sharing, making it ideal for teams needing to visualize processes and ideas together.