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What is StarUML?

The software seamlessly aligns with the UML 2.X standard metamodel, supporting an extensive array of diagrams such as class, object, use case, component, deployment, composite structure, sequence, communication, statechart, activity, timing, interaction overflow, information flow, and profile diagrams. Beyond UML, it also supports SysML diagrams, including requirement, block definition, internal block, and parametric diagrams, providing users with a robust modeling toolkit. Designed for Retina (High-DPI) displays, the software guarantees that all diagrams, text, and icons maintain exceptional clarity and can be exported as High-DPI images in formats like PNG and JPEG. Users can easily explore and incorporate a wide range of third-party extensions, many of which are open-source and accessible via GitHub. The tool features a Quick Edit functionality that incorporates various shorthands, enabling rapid creation of elements and relationships, including sub-classes and supporting interfaces, thereby significantly boosting productivity. This flexibility and capability render it an essential asset for professionals who require thorough modeling solutions across various domains. Moreover, the user-friendly interface ensures that even newcomers can quickly adapt and leverage its extensive features.

What is Astah SysML?

Astah SysML is a desktop SysML v1 modeling application from Change Vision, Inc. for organizations adopting model-based systems engineering (MBSE). It gives engineering teams the core SysML diagrams, including requirement, block, parametric, and behavior diagrams, in a tool that new users can learn quickly. Because designs are stored as models, an update made in one place carries through to every related diagram, which keeps system documentation consistent as a project evolves. Existing models can be exchanged through XMI and with Cameo Systems Modeler. Version 11.0 includes AI Chat Copilot, which runs on your organization's own API key for OpenAI, Azure OpenAI, Claude, or Gemini, or for an OpenAI-compatible service, and local MCP server integration for connecting AI agents. Licensing is available as a 1-year license ($140) or a 1-year floating license ($270). Astah SysML runs on Windows and macOS, and a 20-day free trial is available.

Media

Media

Integrations Supported

Integrations Supported

Azure OpenAI Service
Cameo Systems Modeler
Claude
Gemini
OpenAI

API Availability

API Availability

Has API

Pricing Information

$99 per user

Pricing Information

$140/year
1-year license: $140. 1-year floating license: $270. 20-day free trial.
Free Trial Offered?

Supported Platforms

Windows
Mac
Linux

Supported Platforms

Windows
Mac
On-Prem

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

StarUML

Company Website

staruml.io

Company Facts

Organization Name

Change Vision, Inc.

Date Founded

2006

Company Location

Tokyo, Japan

Company Website

astah.net/products/astah-sysml/

Categories and Features

Data Modeling

Not specified

Categories and Features

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