Top Alternatives to Graphviz

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.

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.

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.

D3.js is a powerful JavaScript library designed for creating dynamic, interactive, and data-driven documents, primarily focusing on complex data visualizations in modern web browsers. It leverages existing web technologies like HTML, SVG, and CSS.

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.

UMLet is an open-source, Java-based UML modeling tool designed for both educational purposes and rapid creation of UML diagrams. It supports a wide range of diagram types and offers good integration with popular IDEs.

LaTeXDraw is a robust and free open-source vector graphics editor specifically designed for creating PSTricks code directly within a graphical interface. It simplifies the process of generating complex vector diagrams and illustrations for integration into LaTeX documents.

Diagrammix is a robust macOS application engineered for the efficient creation of professional-looking diagrams, flowcharts, and various graphical representations. It offers a user-friendly interface combined with powerful tools to quickly visualize complex information.

Tom Sawyer Software specializes in high-performance graph visualization and data analytics solutions. It empowers organizations to analyze complex connected data, providing deep insights for applications ranging from fraud detection to network management and social network analysis.