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The open source extensible modeling environment supporting:

UML, BPMN, ArchiMate, SysML, ...

Latest version: 4.0.1 (Last update on February 3rd, 2020)
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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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    • Null Pointer Exception on MacOS Big Sur
    • I had Modelio 4.0.1 running on the latest version of MacOS Catalina over JDK 1.8.0_212 With the new version, MacOS Big Sur (11.0 Beta) and the same JDK I get a Null Pointer Exception when opening Modelio. The observed manifestations of the error are that no model can be opened and also the...
    • In Developers / Issues
    • 1 day 7 minutes ago
    • times
    • libwebkitgtk-1.0-0 dependency on Pop!_OS
    • The problem is that with Ubuntu 20.04 libwebkit1gtk was removed from repos, either modelio shifts to libwebkit2gtk or they package the version1 into the deb.... Or they would provide an appimage Bummer for Ubunut 20.04 so far...
    • In Users / Installation
    • 2 days 6 hours ago
    • file
    • program start error message with MacOS 10.14.6, Mo...
    • Hi there, Unfortunately, I can't start Modelio on my MacOS system since a pop-up window appears: "An error has occurred. See the log file ..." although I followed the the guideline for running Modelio on a MacOS X workstation. Please find attached the log file and modelio.ini. Thank you for your...
    • In Users / Installation
    • 3 days 7 hours ago
    • file
    • Launcher error : exit code=13
    • OK i found the problem. It is the env PATH property "C:\ProgramData\Oracle\Java\javapath" which refered to a wrong java path (a 32 bits one) Subject can be closed
    • In Users / Installation
    • 1 week 3 days ago
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