Astah Professional

Astah Professional

Change Vision, Inc.
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About

Astah Professional is an all-in-one modeling tool for software and system design, developed by Change Vision, Inc. It supports UML 2.x, ER diagrams, data flow diagrams (DFD), flowcharts, requirement diagrams, CRUD, and mind maps in a single tool. Unlike drawing tools, Astah creates models: a change to a model element is reflected in every diagram that uses it, so your diagrams stay 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 Professional is a desktop application for Windows, macOS, and Linux, with a bundled Java runtime, so no separate Java installation is required. A 20-day free trial is available. Latest version: 12.0 (released July 15, 2026).

About

​Zemith is an all-in-one AI platform designed to enhance productivity in work, research, and creative endeavors. It integrates multiple advanced AI models, including Gemini-2.0, Claude 3.7 Sonnet, and GPT o3-mini, allowing users to select and set their preferred model as default. The platform offers a suite of tools such as a document assistant for AI-powered chat, podcast generation, and summaries; a smart notepad with features like smart autocomplete and instant rephrasing; creative tools for AI image generation and editing; a coding assistant to aid in writing, debugging, and optimizing code; and productivity tools like Focus OS to eliminate distractions, document-to-quiz converters, and image-to-prompt reverse engineering. Zemith aims to consolidate various AI functionalities into a single, affordable platform, reducing the need for multiple subscriptions and streamlining user workflows.

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

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software architects, developers, and development teams

Audience

Researchers and content creators interested in an integrated AI tool to streamline document analysis, content creation, and coding tasks

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$11.99 per month
Available from $11.99 per month.
Monthly, annual, or perpetual licenses. 20-day free trial.
Free Version Not Supported
Free Trial Supported

Pricing

$5.99 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Change Vision, Inc.
Founded: 2006
Tokyo, Japan
astah.net/products/astah-professional/

Company Information

Zemith
United States
www.zemith.com

Alternatives

Astah UML

Astah UML

Change Vision, Inc.

Alternatives

Monica Code

Monica Code

Monica
Astah SysML

Astah SysML

Change Vision, Inc.
SysMLv2 Editor

SysMLv2 Editor

Change Vision, Inc.
Lucidchart

Lucidchart

Lucid Software
Cody

Cody

Sourcegraph

Categories

Diagram Supported
Flowchart Supported
Mind Mapping Supported
Process Mapping Supported

Categories

AI Tools Supported

Diagram Features

Data Import / Export Supported
Drag & Drop Supported
Flowchart Supported
For Developers Supported
Mind Map Supported
Multi-User Collaboration Supported
Organizational Charting Not Supported
Templates Supported

Flowchart Features

Collaboration Not Supported
Diagramming Supported
Drag & Drop Supported
Organizational Charting Not Supported
Process Mapping Not Supported
Revision Management Not Supported
Templates Supported
Text to Chart Supported

Mind Mapping Features

Brainstorming Supported
Flowchart Supported
Presentation Tools Not Supported
Project Planning Supported
Publishing / Sharing Not Supported
Templates Supported

Integrations

Claude Supported
Gemini Supported
OpenAI Supported
Azure OpenAI Service Supported
C# Supported
Claude Sonnet 3.5 Not Supported
DeepSeek R1 Not Supported
DeepSeek-V3 Not Supported
GPT-4o mini Not Supported
Gemini Enterprise Not Supported
HTML Supported
Java Supported
Mermaid Chart Supported
Microsoft 365 Supported
Microsoft Excel Supported
Mistral Large Not Supported
Mistral Small 3.1 Not Supported
Qwen Not Supported
Redmine Supported
Sonar Not Supported

Integrations

Claude Supported
Gemini Supported
OpenAI Supported
Azure OpenAI Service Not Supported
C# Not Supported
Claude Sonnet 3.5 Supported
DeepSeek R1 Supported
DeepSeek-V3 Supported
GPT-4o mini Supported
Gemini Enterprise Supported
HTML Not Supported
Java Not Supported
Mermaid Chart Not Supported
Microsoft 365 Not Supported
Microsoft Excel Not Supported
Mistral Large Supported
Mistral Small 3.1 Supported
Qwen Supported
Redmine Not Supported
Sonar Supported
Claim Astah Professional and update features and information
Claim Astah Professional and update features and information
Claim Zemith and update features and information
Claim Zemith and update features and information