Astah UMLChange Vision, Inc.
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Related Products
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About
Astah UML is a UML 2.x diagramming tool for software design, developed by Change Vision, Inc. It covers the core UML diagrams, including class, use case, sequence, activity, state machine, component, and deployment diagrams, plus mind maps.
Astah creates models rather than drawings: when you change a model element, every diagram that uses it is updated, so your design stays consistent.
AI features include AI Chat Copilot and AI-assisted code reverse engineering, which use your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service. A local MCP server lets external AI agents work with your Astah models. Conventional reverse engineering of Java, C#, and C++ code is also included.
Astah UML runs on Windows, macOS, and Linux with a bundled Java runtime. A free license is available for students, and a 20-day free trial is available.
Latest version: 12.0 (released July 15, 2026).
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About
QElectroTech is a free, open source software designed for creating complex industrial electrical diagrams. It supports a wide range of diagram types, including electrical, plumbing, geothermal, air-conditioning, hydraulics, pneumatics, domotic, and photovoltaic systems, among others. With over 8,000 symbols available in the latest version, it allows users to create detailed technical diagrams across various fields. The software is licensed under the GNU/GPL license and is available for Windows, Mac OS, and Linux platforms. Its features include a flexible symbol library and user-friendly tools for creating professional-grade schematics. The software is supported by contributions from industrial companies and engineers, including Soliton Controles Industriais and C-Born Engineering, which assist in development and translation. Additionally, QElectroTech supports DXF export for easier integration with other software.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Software developers, students, and teams who create UML diagrams for software design
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Audience
Engineers, designers, and professionals in need of a tool to create industrial systems diagrams across various fields
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$6.99 per month
Plans from $6.99 per month. Free license for students. 20-day free trial.
Free Version
Not Supported
Free Trial
Supported
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationChange Vision, Inc.
Founded: 2006
Tokyo, Japan
astah.net/products/astah-uml/
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Company InformationQElectroTech
qelectrotech.org
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Alternatives |
Alternatives |
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Categories |
Categories |
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Diagram Features
Data Import / Export
Supported
Drag & Drop
Supported
Flowchart
Not Supported
For Developers
Supported
Mind Map
Supported
Multi-User Collaboration
Not Supported
Organizational Charting
Not Supported
Templates
Supported
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Integrations
Azure OpenAI Service
Supported
Claude
Supported
Gemini
Supported
HTML
Supported
Java
Supported
OpenAI
Supported
Redmine
Supported
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Integrations
Azure OpenAI Service
Not Supported
Claude
Not Supported
Gemini
Not Supported
HTML
Not Supported
Java
Not Supported
OpenAI
Not Supported
Redmine
Not Supported
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