
Diagramo
UML Designer
ARIS Express
BOUML
Yakindu Statechart Tools
IYOPRO
MagicDraw
Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.

CodePen
replit
JSFiddle
GitHub
StackBlitz
VS Code
JS Bin
Online playground for React

Which is more popular?
Based on our record, CodeSandbox seems to be more popular. It has been mentioned 313 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | modelio.org | codesandbox.io |
| Pricing | — | |
| Company | — | Startup from The Netherlands · 1 - 9 employees · 2017 |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Modelio is recommended for software developers, architects, and business analysts who require a comprehensive modeling tool to facilitate their design and analysis tasks. It is particularly well-suited for teams that rely on UML and BPMN for their projects and prefer an open-source solution to customize and extend as needed.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Modelio 3.8 - New Features
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A browser IDE that's actually GOOD? (CodeSandbox.io Review!)
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Modelio and CodeSandbox. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Description: Modelio is an open-source, extensible modeling environment that supports HTML, BPMN, UML, and other formats. The main features of Modelio’s platform include UML modeling tools, HTML publisher module,...
Modelio is the first modeling environment. The tool combines BPMN support and UML support. It provides support for a wide range of models and diagrams.
Modelio is an open-source BPM tool which has been active in the industry for about 20 years. The software is excellent for your customization needs. Its users range from developers and business architects to analysts.
Codesandbox is an online code editor and prototyping tool that makes creating and sharing web apps faster. Codesandbox: Online code editor and ide for rapid web development.
CodeSandbox can be thought of as a much more powerful and complete take on JSFiddle. True to its name, CodeSandbox provides a complete code editor experience and a sandboxed environment for front-end development.
Recommendations tracked on public social media and blogs since March 2021.


Tracking Modelio since Mar 2021.
To begin, you can start creating your own react app using the command line or can directly go to CodeSandbox if you want to skip using the command line which is faster. CodeSandbox is an online code editor and prototype tool that speeds... - Source: dev.to / 4 months ago
To begin, you can create a react app using the command line or any code editor (e.g., VSCode). You can also try using CodeSandbox as an online code editor that is simple to use and allows you to deploy your code. - Source: dev.to / 4 months ago
If you are in a rush to open unknown repos, use GitHub Codespaces or codesandbox with Copilot or another AI integration to analyze the repo for malicious intent and to run it in a safe environment. - Source: dev.to / 10 months ago
When comparing Modelio and CodeSandbox, you can also consider the following products.

Diagramo is an online flowchart software - diagrams (create, edit and share)
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UML Designer provides a set of common diagrams to work with UML 2.5 models.
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Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
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ARIS Express is based on the proven ARIS methodology and industry standards.
Compare ARIS Express to Modelio or CodeSandbox:

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Compare JSFiddle to Modelio or CodeSandbox: