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An open source modeling environment supporting the main standards:
UML, BPMN, MDA, SysML, ...

Latest version: 3.7.1 (Last update on March 16st, 2018)
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What is Modelio?

Learn more about Modelio, its supported standards, its features, its ecosystem, ...

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Get Started

Some steps to start using Modelio, create projects, handle diagrams, install modules, ...

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Get involved in the Modelio community

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Find and download available extensions, resources and tools.

Recent activities

    • file
    • Unable to make changes in a model after a NullPoin...
    • It seems that a Sequence diagram is problematic. You have to find the erratic Sequence diagram. If you had only one Sequence diagram, it would be easy to find it. If you have hundred of diagrams it will be more complicated... This is how I would proceed: - Close Modelio - In a windows explorer,...
    • In Users / General help
    • 17 hours 5 minutes ago
    • file
    • get out of "Operation not supported"
    • Hi pan I'd rather not share the project with the community . I think it is more a problem of usage of macos filesystem. Why ? Because : - when I tried to create a new project on /Volume/share/modelio I had some issues : project is incomplety created $ ls -alR p1_sadm/ p1_sadm/: total 4...
    • In Users / General help
    • 17 hours 13 minutes ago
    • file
    • Issues with Sequence Diagram
    • Hi pan, Thank you for your reply. No, it's the only time i had this behavior, i did some sequence diagrams and had no worries with them. I can show you this : Before the behavior, i just tried to put an asynchronus message: After that, the green rectangle just appears and nothing else is...
    • In Developers / Issues
    • 17 hours 17 minutes ago
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