The Best Open Source Microsoft Visio AlternativesTop Diagram Editors & Mind Mapping Tools like Microsoft Visio

The best open source alternative to Microsoft Visio is draw.io. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft Visio and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Visio are LibreOffice - Draw, Dia, Pencil Project and Excalidraw.

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Microsoft Visio alternatives are mainly Diagram Editors, but if you're looking for Mind Mapping Tools or Vector Graphic Apps you can filter on that. Other popular filters include Open Source, Free, Linux, Android + Mind Mapping, Android, Diagram Editor and Android Tablet. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Microsoft Visio.
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Alternatives list

  1. draw.io icon

    draw.io

     1025 likes

    Feature-rich diagram editor offering privacy-focused, ad-free experience with real-time collaboration, offline usage, dark mode, and cloud storage support. No registration required and compatible with various diagram formats, it excels in simplicity by not tracking user data.

    142 draw.io alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    • Notion
    • Self-Hosted
    • Nextcloud
    • Microsoft SharePoint
    • Flathub
    • Microsoft OneDrive
    • PortableApps.com
    • Google Drive
    • Google Docs
    • Microsoft Teams
    • Google Slides
    • Flatpak
    • Google Sheets
    Use the diagram editor in dark mode. Go to app.diagrams.net/?splash=0&ui=dark
     
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    15
  2. LibreOffice - Draw icon

    LibreOffice - Draw

     318 likes

    Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.

    100 LibreOffice - Draw alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • Flathub
    LibreOffice - Draw screenshot 1
     
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    7
  4. Dia icon

    Dia

     453 likes

    Open-source diagram editor supporting Linux, Windows, Unix, and Mac OS X, with features for constructing entity relationship, UML, flowchart, and network diagrams, customizable with XML-defined shapes, extensibility, and a GTK+-based graphical user interface.

    93 Dia alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    • FreeBSD
    • Xfce
    • DragonFly BSD
    • NetBSD
    • OpenBSD
    Dia screenshot 1
     
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    2
  5. Pencil Project icon

    Pencil Project

     416 likes

    Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.

    79 Pencil Project alternatives

    Cost / License

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    Pencil Project screenshot 1
     
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    5
  6. Excalidraw icon

    Excalidraw

     109 likes

    Excalidraw is an open-source whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them. Available directly online as a web app and also through CodeSandbox to easily see how the code works, and the app is available for self-hosting.

    91 Excalidraw alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application types

    Platforms

    • Online
    • Self-Hosted
    • Cloudron
    Excalidraw screenshot 1
     
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    1
  7. FossFLOW icon

    FossFLOW

     19 likes

    Open-source PWA for isometric 3D diagramming with offline use, no sign-in, React and Isoflow codebase, auto-saving, privacy-focused local data, import/export as JSON, Docker optional storage, multilingual support, available on Mac and Linux.

    26 FossFLOW alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Docker
    FossFLOW screenshot 1
     
  9. PlantUML icon

    PlantUML

     120 likes

    PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.

    118 PlantUML alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    Common PlantUML JAR GUI application that will render text file into image.
     
  10. quiver diagram editor icon

    quiver diagram editor

     10 likes

    Efficient web-based tool for constructing high-quality commutative diagrams. Offers LaTeX export with embedded links, intuitive interface supporting both mouse and keyboard inputs, and features like multiple selections, macro support, and smart label alignment.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    quiver diagram editor screenshot 1
     
  11. Graphviz icon

    Graphviz

     74 likes

    Graphviz is open source graph visualization software. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has important applications in networking, bioinformatics, software engineering, database and web design...

    57 Graphviz alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Graphviz screenshot 1
     
  12. Apache OpenOffice Draw icon

    Apache OpenOffice Draw

     125 likes

    Draw, part of the Apache OpenOffice suite, is a graphics editor that gives you the tools to communicate with visuals and diagrams. With a maximum page size of 300cm by 300cm, Draw is powerful tool for posters, graphs, charts, and more.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    For technical drawings with integrated graduation function (not available in PowerPoint)
     
  13. Wireflow icon

    Wireflow

     22 likes

    Feature-rich, open-source Wireflow offers a collaborative platform for online creation of complex user flow prototypes. Ideal for team work in UI design, wireframing, and mind mapping, promoting idea sharing in real-time environment aided by modern whiteboard features.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Online
    • Self-Hosted
    Wireflow screenshot 1
     
  14. Umbrello icon

    Umbrello

     40 likes

    Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    • Snapcraft
    • Flathub
    • Flatpak
    Umbrello screenshot 1
     
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