Check out our new monthly subscription model! Only $9.99 a month!
Perfect for software development
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.
Software developers, authors, even biologists all belong to Friends of Astah. They do awesome work, we do a little bit to support that.
Learn how to get started with Astah
Install Astah Free Plugins easily!
Get an Intro to Class Diagrams
See how Astah works
It takes a great team to do great things!