Visualize your ideas,
Improve communication,
Deliver success
Visualize the essence of your ideas before you code. Diagrams create a clear understanding of thoughts shared among teams. Improve the quality of your software and increase customer satisfaction.
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Why Astah Professional?



astah, What Astah Professional offers
Do everything in one tool
Don't switch tools for each phase of work. Do UML for designing, Flowcharts for workflows, Mindmapping for brainstorming all in Astah Professional. > Learn more
astah, What Astah Professional offers
Leverage the power of models
Code alone cannot maintain a shared understanding of systems. With Astah do both. You can reverse the codebase in a just-in-time manner. > Learn more
astah, What Astah Professional offers
Ease of use
With 10 years of user feedback, Astah is easy to use and is the top reason why it’s chosen by users from all around the world > Learn more
astah, What Astah Professional offers
Keep clean, inside and out
Any drawing tool can create nice-looking diagrams, Astah does more. Create consistent models that make your design model visually pleasing and accurate.
astah, What Astah Professional offers
Solo, teams, offshore, for all
Merge files, facilitate collaboration, Multi-language support, anything you need - for all types of teams. > Learn more
astah, What Astah Professional offers
Easy customization
Astah is light-weight with essential features every developer needs. You can add specific features, with additional Plug-ins or by using the API.

What our users say about Astah

Here are more...



"Mind maps engage the whole brain in thinking"
Mind maps engage the whole brain in thinking, both in creation and review. I used mindmaps as I drafted the 2nd edition of my book.
Kent Beck
"Simple and easy
to use"
Astah is my favorite tool for UML. It is simple and easy to use.
Kevin Nilson
Tech Lead & Manager, Chromecast Technical Solutions Engineer
"Visualize the essence of the problem"
Great tool for helping us visualize the essence of the problem and merge the knowledge of individuals into the collective understanding of the development team.
Mary Poppendieck
Author of
"Lean Software Development"