Perfect for software development

Modeling

Modeling defines your systems in a way that is easier to understand, simpler to communicate, and more in touch with the people that actually use them.

Check out our Other Editions

Astah GSN Astah SysML

Friends of Astah

Software developers, authors, even biologists all belong to Friends of Astah. They do awesome work, we do a little bit to support that.

Companies who use Astah

LEARN TIPS FOR ASTAH, UML, AND AGILE

Learn how to get started with Astah

See the Video

Install Astah Free Plugins easily!

Read More

Get an Intro to Class Diagrams

See the Video

See how Astah works

Read More

We give students Astah licenses for FREE

Our People

It takes a great team to do great things!