Open Source Diagram Designer Alternatives for Linux

Diagram Designer is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best open source Linux alternative is draw.io. If that doesn't suit you, our users have ranked more than 50 alternatives to Diagram Designer and 16 are open source and available for Linux so hopefully you can find a suitable replacement. Other interesting open source Linux alternatives to Diagram Designer are LibreOffice - Draw, Pencil Project, Dia and Mermaid.

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Alternatives list

  1. draw.io icon

    draw.io

     1023 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.

    140 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
     
  2. LibreOffice - Draw icon

    LibreOffice - Draw

     317 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
     
  5. Dia icon

    Dia

     451 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
     
  6. Mermaid icon

    Mermaid

     32 likes

    Ever wanted to simplify documentation and avoid heavy tools like Visio when explaining your code? This is why mermaid was born, a simple markdown-like script language for generating flowcharts, Gantt charts and sequence diagrams from text via JavaScript.

    28 Mermaid alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • JavaScript
    • Node.JS
    • Self-Hosted
    • Cloudron
    Mermaid screenshot 1
     
  7. PlantUML icon

    PlantUML

     119 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.

    117 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.
     
  9. 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.

    91 Apache OpenOffice Draw alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    For technical drawings with integrated graduation function (not available in PowerPoint)
     
  10. 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
     
  11. Akira icon

    Akira

     28 likes

    Akira is a native Linux Design application built in Vala and GTK. Akira focuses on offering a modern and fast approach to UI and UX Design, mainly targeting web designers and graphic designers. The main goal is to offer a valid and professional solution for designers who want to...

    66 Akira alternatives

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • GTK+
    Akira screenshot 1
     
  12. PDDON icon

    PDDON

     5 likes

    A daily drawing tool that supports low code for learning or office use. It can be used for flowchart, mind map, UML diagram, ER diagram, network topology diagram, BPMN, Venn diagram, database model diagram, whiteboard drawing, infinite canvas, and more.

    Cost / License

    • Free Personal
    • Open Source (MIT)

    Application types

    Alerts

    • Warning

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    home page
     
  13. D2 icon

    D2

     3 likes

    Create beautiful diagrams in minutes. Simple syntax. Endlessly customizable. D2 is the fastest and easiest way to get a mental model from your head onto the screen, then make edits with your team.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    Create sequence diagrams https://d2lang.com/tour/sequence-diagrams
     
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