OmniGraffle Alternatives for Windows

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.

Dia is a free and open-source diagramming software suitable for creating a variety of diagrams including flowcharts, UML diagrams, and network layouts.

yEd Graph Editor is a versatile and free desktop application for creating high-quality diagrams of various types, including flowcharts, UML diagrams, BPMN diagrams, and more. It offers powerful automatic layout algorithms and a wide range of formatting options, making it suitable for both simple and complex visualizations.

XMind is a leading mind mapping and brainstorming software designed for capturing thoughts, organizing ideas, and managing information effectively. Its intuitive interface and powerful features make it ideal for professionals, teams, and individuals seeking to enhance productivity and creativity.

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.

Microsoft Visio is a powerful diagramming tool designed to simplify complex information through visual representations like flowcharts, network diagrams, and floor plans. It is a key part of the Microsoft Office suite, offering a wide range of stencils and templates for various industries and needs.

LibreOffice Draw is a versatile vector graphics editor and diagramming tool included in the LibreOffice suite. It offers powerful tools for creating flowcharts, technical drawings, posters, brochures, and editing PDF files.

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.

Creately is a collaborative online visual workspace that goes beyond traditional diagramming, enabling teams to visualize, strategize, and manage workflows effectively. It supports a wide range of diagram types and real-time collaboration, making it ideal for diverse teams and projects.

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.

PlantUML is an open-source tool that allows users to generate a wide variety of UML and other diagram types from a simple human-readable text description. It supports sequences, use case, class, activity, component, state, object, deployment, timing diagrams, and more, making it accessible and efficient for technical documentation and visualization.

Graphviz is a powerful open-source graph visualization software package. It allows users to create complex diagrams and graphs from descriptive text files using the DOT language. Ideal for professionals, researchers, and developers needing to represent structured information visually.

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.

Gephi is a powerful open-source software for exploring, visualizing, and manipulating networks and graphs of various types. It offers an intuitive interface for researchers, data scientists, and analysts to understand complex relational data.

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.

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.

Diagram Designer is a free, lightweight vector graphics editor for creating various diagrams, including flowcharts, UML diagrams, illustrations, and slideshows.

Nevron Draw is a comprehensive diagramming software designed to help users create professional-looking diagrams, flowcharts, floor plans, and more. It offers a rich feature set, collaborative capabilities, and extensive export options for various diagramming needs.