Vellum Diagram Editor AlternativesDiagram Editors & UML Modeling Tools like Vellum Diagram Editor

Sites and apps similar to Vellum Diagram Editor include draw.io, which is free and open source. Other options are Excalidraw, LibreOffice - Draw, yEd Graph Editor and Dia. You're spoiled for choice with Diagram Editors like Vellum Diagram Editor: we list more than 50 alternatives for Windows, Mac, Linux, iPad and Android.

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Alternatives
Vellum Diagram Editor alternatives page was last updated

Alternatives list

  1. draw.io icon

    draw.io

     1055 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.

    166 draw.io alternatives

    Cost / License

    Application type

    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
    • GB flagUnited Kingdom
    Use the diagram editor in dark mode. Go to app.diagrams.net/?splash=0&ui=dark
    Good alternative?
     
  2. Excalidraw icon

    Excalidraw

     122 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.

    111 Excalidraw alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Cloudron
    • CZ flagCzechia
    • European Union flagEU
    Excalidraw screenshot 1
    Good alternative?
     
  4. LibreOffice - Draw icon

    LibreOffice - Draw

     326 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.

    108 LibreOffice - Draw alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • Flathub
    • DE flagGermany
    • European Union flagEU
    LibreOffice - Draw screenshot 1
    Good alternative?
     
  5. Ad
    Screenshot
    ClickCharts icon
    ClickCharts

    Design flowcharts, UML, Venn, and mind map diagrams with customizable templates, varied symbols, shapes, connector styles, overlapping sheet support, and intuitive drag-and-drop editing. Export visuals as images, edit multiple di...

    http://www.nchsoftware.com
    Learn More
  6. yEd Graph Editor icon

    yEd Graph Editor

     447 likes

    yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams...

    123 yEd Graph Editor alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • BSD
    • DE flagGermany
    • European Union flagEU
    yEd Graph Editor screenshot 1
    Good alternative?
     
  7. Dia icon

    Dia

     458 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.

    97 Dia alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    • FreeBSD
    • Xfce
    • DragonFly BSD
    • NetBSD
    • OpenBSD
    • US flagUnited States
    Dia screenshot 1
    Good alternative?
     
  9. Lucidchart icon

    Lucidchart

     538 likes

    Lucidchart is a cloud-based platform that promotes teamwork through diagramming, collaboration, and data visualization. It serves millions worldwide, offering flowcharts, UML, real-time collaboration, Visio support, and browser access. Designed for innovation and understanding, it integrates easily into workflows.

    109 Lucidchart alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    • US flagUnited States
    Lucidchart Templates and Examples: With hundreds of template examples to choose from, you can start diagramming in no time.
    Good alternative?
     
  10. Microsoft Visio icon

    Microsoft Visio

     252 likes

    Create data-connected diagrams with real-time collaboration as part of the Office Suite. Ideal for IT and business professionals, it visualizes complex info with ease, providing intuitive tools for diagramming, mind mapping, and vector graphics.

    149 Microsoft Visio alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    • US flagUnited States
    Microsoft Visio screenshot 1
    Good alternative?
     
  11. PlantUML icon

    PlantUML

     121 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.

    125 PlantUML alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    • FR flagFrance
    • European Union flagEU
    Common PlantUML JAR GUI application that will render text file into image.
    Good alternative?
     
  12. quiver diagram editor icon

    quiver diagram editor

     12 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
    • GB flagUnited Kingdom
    quiver diagram editor screenshot 1
    Good alternative?
     
  13. Square Sketch icon

    Square Sketch

     11 likes

    Square Sketch is a professional tool for visualizing your ideas on a square grid.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • DE flagGermany
    • European Union flagEU
    Square Sketch screenshot 1
    Good alternative?
     
  14. Vectr icon

    Vectr

     93 likes

    Free vector graphics editor offering real-time collaborative editing, browser and cross-platform desktop support, scalable design tools, AI, EPS, SVG, PNG, JPEG import/export, grouping and shape manipulation, and intuitive pen and freehand drawing options.

    119 Vectr alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • SG flagSingapore
    Vectr screenshot 1
    Good alternative?
     
  15. Wireflow icon

    Wireflow

     23 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 type

    Platforms

    • Online
    • Self-Hosted
    Wireflow screenshot 1
    Good alternative?
     
12 of 51 Vellum Diagram Editor alternatives