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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

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    • How to get class interfaces
    • I have a Class Diagram and am using code example ( ). First I want to access Class' Interfaces. Then, I want to access Class' Interfaces' description. How do I access interface nodes?...
    • In Users / General help
    • 1 day 15 hours ago
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    • [Solved] Problems when workspace-folder is located...
    • I am working on different machines that's why I enjoy syncing my workspace-folder between them. Suddenly I couldn't access my projects any more. After reinstalling modelio, and searching for answers in the whole forum, I tested if it is the location what doesn't work. Turns out OneDrive got an...
    • In Users / General help
    • 6 days 3 hours ago
    • file
    • Modelio project becomes un-editable
    • You can't share your project because it is a sensitive project or because you cannot upload files on internet? If you can upload files on internet: 1 - Import your project content (or a smallest part of your project) into a new project 2 - Anonymize this project with the Jython script provided here:...
    • In Users / General help
    • 6 days 16 hours ago
    • file
    • Modelio project becomes un-editable
    • Hi, The Modelio project gets un-editable during edits. Once this hits, adding/deleting/editing/undo class diagram, sequence diagrams etc do not work. Closing the project, Model import have not solved the issue. I am working on the following version. Version 3.7.00 Build: 201711211349 System: win32...
    • In Users / General help
    • 6 days 16 hours ago
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