Compare the Top Diagram Software for Windows as of June 2025

What is Diagram Software for Windows?

Diagram software allows users to visually represent data, processes, and ideas through various types of diagrams. These tools offer an intuitive interface that helps users drag and drop elements, easily connecting shapes, text, and images to create meaningful visual representations. Many diagramming applications come with templates and pre-designed components to speed up the creation process, allowing users to focus on customization. Collaboration features are often included, enabling teams to work together in real-time or asynchronously. Popular diagram software options are used across a wide range of industries, from project management to software design, helping streamline communication and decision-making. Compare and read user reviews of the best Diagram software for Windows currently available using the table below. This list is updated regularly.

  • 1
    yFiles

    yFiles

    yWorks

    yFiles is a powerful library for visualizing and analyzing graphs and networks. It provides comprehensive features for rendering, editing, and automatically laying out complex diagrams — from organizational charts and flowcharts to IT infrastructures. With advanced layout algorithms, interactive capabilities, and strong performance, yFiles enables developers to integrate scalable and clear graph visualizations into web, desktop, or mobile applications. Supporting multiple platforms like HTML/JavaScript, Java, and .NET, yFiles is used across industries such as telecommunications, finance, and life sciences to make complex processes and relationships easy to understand.
    Starting Price: $17,000/developer
  • 2
    Astah Professional

    Astah Professional

    Change Vision

    Astah Professional is a software modeling tool that enables you to build UML, ER diagrams, Data Flow Diagrams, Flowcharts, mind maps and more to create a clear understanding among teams. Text-to-models, pre-installed templates and libraries help you create diagrams easy and fast. Unlike drawing-tools, you create "models" with Astah. So you can just drag-and-drop models to create diagrams. Any changes to the models will apply for all the diagrams so you can make sure that your models and diagrams are consistent.
    Starting Price: $11.99 per month
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