About this software
Astah UML is a desktop UML modeling tool for designing and documenting software systems. It supports standard UML diagram types — including class, sequence, use case, activity, state, component, deployment, and package — and provides model export and import capabilities for interchange. Available as individual or organizational subscription licenses, Astah offers floating-license packs for team deployment and installers for Windows, macOS, and Linux. Official documentation and downloads are provided on the Astah website.
Licenses & prices
UML Organizational
Networked team edition of Astah UML with centralized license management, project sharing, and collaboration features for multiple users.
UML Individual
Single-user edition of Astah UML providing standalone modeling, local project files, and personal license for one user.
Purchase
Astah UML
In Stock
Delivery: 1 working day
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€75.75
Free and without obligation
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Benefits
- UML diagram creation: Create standard UML diagrams including class, sequence, use case, and activity.
- Multiple diagram types: Support for component, deployment, state, and package diagrams.
- File interchange and export: Export diagrams and models in common formats and XMI.
- Team licensing options: Floating licenses and organizational subscriptions for team deployment.
- Cross-platform availability: Run on Windows, macOS, and Linux desktop environments.
Available languages
- English
- Japanese
Support information
- Official documentation: Publisher provides online manuals, user guides, and release notes on the website.
- Download installers: Download page offers installers for Windows, macOS, and Linux platforms.
- Knowledge base and FAQ: Support pages include FAQs and help articles for common tasks and issues.
- License management: Information about subscription activation and floating-license configuration is provided online.
- Contact and support: Contact options and support channels are listed on the publisher's support pages.
Frequently asked questions
What diagram types does Astah UML support?
Astah UML supports standard UML diagrams such as class, sequence, use case, activity, state, component, deployment, and package; consult product documentation for a complete list.
Which operating systems does Astah run on?
Astah provides installers for Windows, macOS, and Linux desktop environments; see the download page for platform details.
What licensing options are available for teams?
Licensing includes individual subscriptions and organizational subscriptions with floating-license packs for concurrent team use.
Can Astah exchange models with other tools?
Astah supports model interchange formats such as XMI and can export diagrams to common image formats.
Where are product documentation and downloads located?
Official documentation, FAQs, and installers are available from the Astah website's documentation and download sections.