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What is Astah Professional?

Astah Professional is a desktop modeling application from Change Vision, Inc. for organizations that design software and systems. It brings UML 2.x, ER diagrams, data flow diagrams, flowcharts, requirement diagrams, CRUD, and mind maps together in one product, which reduces the number of tools a team needs to license and learn. Because Astah stores designs as models rather than drawings, an update made in one place carries through to every related diagram. This keeps design documentation consistent as projects change. Version 12.0, released in July 2026, brings AI into the modeling workflow. AI Chat Copilot and AI-assisted code reverse engineering run on your organization's own API key for OpenAI, Azure OpenAI, Claude, or Gemini, or for an OpenAI-compatible service, so AI usage stays under the contracts you already manage. Local MCP server integration lets AI agents connect to your Astah models. Licenses are available monthly, annually, or as a perpetual license, starting at $11.99 per month. Astah Professional runs on Windows, macOS, and Linux without a separate Java installation, and a 20-day free trial is available.

What is ArgoUML?

ArgoUML is an open-source tool for UML modeling that is freely available and supports all standard UML 1.4 diagrams, functioning on any Java platform and offering translations in ten different languages. This adaptable software allows users to create and edit a wide range of UML diagrams, including class, state, use case, activity, collaboration, deployment, and sequence diagrams. Featuring a user-friendly interface that is divided into four distinct panels—project hierarchy, diagram editor, to-do list, and object detail panel—ArgoUML simplifies the modeling experience. It operates under the Eclipse Public License and has gained worldwide popularity, with downloads exceeding 80,000. Moreover, the platform includes extensive user manuals, quick start guides, and essential resources for both users and developers, promoting a sense of community involvement and contribution. Users are actively encouraged to report any bugs, propose new features, and engage in the ongoing development of ArgoUML, which not only enhances the software’s functionality but also fosters a vibrant user community. This collaborative spirit not only enriches the tool itself but also helps to create a supportive environment for all participants.

Media

Media

Integrations Supported

Java
Azure OpenAI Service
C#
C++
Claude
Claude Duet
Claude for Legal
Gemini
HTML
Mermaid
Microsoft 365
Microsoft Excel
OpenAI
PHP
Redmine

Integrations Supported

Java

API Availability

API Availability

Pricing Information

$11.99 per month
Available from $11.99 per month.
Monthly, annual, or perpetual licenses. 20-day free trial.
Free Trial Offered?

Pricing Information

Free
Free Version

Supported Platforms

Windows
Mac
On-Prem
Linux

Supported Platforms

Windows

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub
On-Site Training

Company Facts

Organization Name

Change Vision, Inc.

Date Founded

2006

Company Location

Tokyo, Japan

Company Website

astah.net/products/astah-professional/

Company Facts

Organization Name

ArgoUML

Company Location

United States

Company Website

argouml-tigris-org.github.io/tigris/argouml/

Categories and Features

Diagram

Data Import / Export
Drag & Drop
Flowchart
For Developers
Mind Map
Multi-User Collaboration
Templates

Flowchart

Diagramming
Drag & Drop
Templates
Text to Chart

Mind Mapping

Brainstorming
Flowchart
Project Planning
Templates

Process Mapping

Not specified

Categories and Features

Diagram

Not specified

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