Skip to content
SPECIFICTION
Get listed

StarUML

staruml.io

From $129/mo Free trial WindowsmacOSLinuxBrowser extension
Visit staruml.io
Spec score 8.1 #8 of 26 in UML Modeling Software

Spec sheet

Purpose
StarUML describes itself as a software modeler for agile and concise modeling.Read 7 Oct 2026 · staruml.io
Free plan
NoRead 20 Sep 2026 · staruml.io
Trial
The download page offers a 30-day free trial.Read 7 Oct 2026 · staruml.io
Support
The privacy notice directs questions and concerns to [email protected].Read 7 Oct 2026 · staruml.io
Headquarters
Seoul, Republic of KoreaRead 28 Sep 2026 · staruml.io
Code generation
Code generation for Java, C#, C++, and Python is available through open-source extensions.Read 7 Oct 2026 · staruml.io
Diagram generation
Users can create diagrams from Mermaid syntax by writing text descriptions.Read 7 Oct 2026 · staruml.io
Diagram types
UML 2,entity-relationship,data flow,flowchart,mindmap,C4,SysML,BPMN,UI wireframe,AWS architecture,GCP architecture,Azure architectureRead 20 Sep 2026 · staruml.io
Educational discount
The maker offers a 30% educational discount for students, teachers, universities, and schools, subject to proof of eligibility.Read 7 Oct 2026 · staruml.io
Extensions
StarUML is designed to be extended and customized with JavaScript, and its registry lists community-developed open-source or proprietary extensions.Read 7 Oct 2026 · staruml.io
Maker and headquarters
MKLabs identifies itself as a software development company, names Seoul, Republic of Korea as its headquarters address, and identifies Minkyu Lee as its founder and CEO.Read 7 Oct 2026 · mklaabs.com
Model files and CLI
Modeling data is stored in JSON, and the command-line interface can generate code, documentation, and images.Read 7 Oct 2026 · staruml.io
Modeling languages
A single project can use UML, ERD, Dataflow, Flowchart, Mindmap, C4, SysML, BPMN, Wireframe, AWS, GCP, and Azure modeling.Read 7 Oct 2026 · staruml.io
Platform requirements
StarUML is available for macOS 10.13 or later, Windows 10 or later, and Linux, with Ubuntu 22.04 or Fedora 40 or later listed as requirements.Read 7 Oct 2026 · staruml.io
Pricing terms
The pricing page says payment is one-time for each device, with no monthly or annual fees.Read 7 Oct 2026 · staruml.io
Privacy and security
MKLabs says it uses technical and organizational security measures to protect personal information, while noting that no internet transmission or storage technology can be guaranteed fully secure.Read 7 Oct 2026 · staruml.io
Real-time collaboration
YesRead 20 Sep 2026 · staruml.io
UML diagrams
StarUML supports most UML 2 diagrams, including class, package, component, deployment, use case, sequence, statechart, and activity diagrams.Read 7 Oct 2026 · staruml.io

Plans and prices

StarUML V7 Standard $129 a month One-time payment; use forever; VAT excluded 1+ devices Read 20 Sep 2026 · staruml.io
StarUML V7 Professional $199 a month One-time payment; use forever; VAT excluded 1+ devices Read 20 Sep 2026 · staruml.io
StarUML V7 Standard $129, paid once One-time payment per device; $129.00/device (VAT excl.) UML · ERD · Flowchart · Data Flow Diagram · Mindmap · C4 Model · Mermaid Support Read 7 Oct 2026 · staruml.io
StarUML V7 Professional $199, paid once One-time payment per device; $199.00/device (VAT excl.) All Standard features · SysML · BPMN · UI Wireframe · AWS Architecture · GCP Architecture · Azure Architecture Read 7 Oct 2026 · staruml.io

Every StarUML plan and price →

Where Specifiction places it

Alternatives to StarUMLAll alternatives →