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Open Source diagrams.net Alternatives

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

diagrams.net alternatives are mainly Mind Mapping Tools but may also be Diagram Editors or Wireframing Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of diagrams.net.
This page was last updated Jun 15, 2022
  • FreeOpen Source
  • Mac
  • Windows
  • Linux
  • Online
  • Chrome OS
  • Self-Hosted
  • PortableApps.com
  • Notion
  • Google Drive
  • Microsoft OneDrive
  • GitHub
  • Microsoft Teams
  • Microsoft SharePoint
  • Google Slides
  • Google Drive - Sheets
  • Google Drive - Docs

diagrams.net (previously draw.io) is a free online diagram drawing application for workflow, BPM, org charts, UML, ER,...

Learn more about diagrams.net

  1. Dia

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • PortableApps.com
    • FreeBSD
    • Xfce
    • DragonFly BSD
    • NetBSD
    • OpenBSD

    Dia is a GTK+ based diagram creation program for Linux, Unix, Mac OS X and Windows released under the GPL license.

    Dia vs diagrams.net opinions
    Almost everyone thinks Dia is a great alternative to diagrams.net.

    Very intuitive, flexible and well defined.

    Positive comment over 5 years ago
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    -1
  2. Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.

    Discontinued

    The last release/commit was in October 2019.

    Pencil Project vs diagrams.net opinions
    Most users think Pencil Project is a great alternative to diagrams.net.
    adondriel

    Works well, haven't used it 100% yet, but it looks and feels like it will work VERY well once I need it later on. No styling, but for wireframes, we shouldn't need styles.

    Positive comment about 5 years ago
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    3
    hichemchinwi

    becouse, desktop application

    Positive comment over 5 years ago
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    0


  3. 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.

    LibreOffice - Draw vs diagrams.net opinions
    Some users think LibreOffice - Draw is a great alternative to diagrams.net, some don't.
    coralof

    LibreOffice Draw is a more fully-featured and customizable application than draw.io in my opinion. The main reason I think it is better, though, is because it is a native application, rather than something that forces you to use it online.

    Positive comment over 3 years ago
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    -4
  4. Penpot

    • FreeOpen Source
    • Online
    • Self-Hosted

    Penpot is the first Open Source design and prototyping platform meant for cross-domain teams. Non dependent on operating systems, Penpot is web based and works with open web standards (SVG). For all and empowered by the community.

  5. PlantUML

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS

    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.

    Almost everyone thinks PlantUML is a great alternative to diagrams.net.


  6. 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.

  7. Graphviz

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online

    Graphviz is open source graph visualization software. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks.

  8. TiddlyMap

    • FreeOpen Source
    • Online
    • Chrome OS
    • Self-Hosted

    TiddlyMap is a TiddlyWiki plugin that turns your favourite personal note taking software in a wiki-concept-map hybrid! Yes, you will be able to do both: drawing maps and putting down knowledge in a wiki way.

  9. Heimer

    • FreeOpen Source
    • Windows
    • Linux

    Heimer is a desktop application for creating mind maps and other suitable diagrams. It's written in Qt and targeted for Linux and Windows.

  10. Wireflow is free, online, real-time collaborative, open source tool for creating beautiful user flow prototypes.

Showing 10 of 29 alternatives