
Which is more popular?
Based on our record, StarUML seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | staruml.io | cloudploy.com |
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| Company | Startup from South Korea | — |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of StarUML yet.
Add an API key. Your agent deploys from Claude Code, Cursor, or any MCP client. Bring your own Ubuntu/AWS server or provision Hetzner/DigitalOcean/AWS at cost. Flat plan for the control plane; compute at the provider’s rate. Free forever: 1 small server, 1 app.
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
StarUML is recommended for software developers, architects, and analysts who are involved in the design and documentation of software projects. It is particularly useful for agile development environments and small to medium-sized teams looking for a comprehensive UML modeling tool without a steep learning curve or high cost.
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How often each product is chosen within a category, 0–100% relative to the other.


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External articles and on-site reviews we used to compare the two products.


Overall, StarUML is easily the best sequence diagram tool we’ve tried and even better, you can use StarUML for free.
WhiteStarUML is another important Universal modeling tool which offers all the feature which can be adapted to the modern environment like the support of Unicode strings.
If you want a platform that is solely dedicated to creating UML diagrams only, StarUML is your answer. It allows you to create interactive, agile and concise modelling of the diagrams without further confusion. It...
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Recommendations tracked on public social media and blogs since March 2021.


StarUML is a desktop application for agile and concise modelling. - Source: dev.to / over 3 years ago
Yet, there are plenty great tools for UML diagrams: StarUML, NClass, PlantUML and plenty others. Source: about 4 years ago
So while I used MagicUML way back in my CAD/Catia days, it's unsupported for python. Then Eclipse has one https://www.eclipse.org/papyrus/ but no python support. I've heard people have used StarUML https://staruml.io ,but it looks like... Source: about 4 years ago
Tracking CloudPloy since Sep 2026.
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