Powering Engineering Excellence with Astah
Astah’s modeling tools allow you to visualize the essence of your ideas and software designs. Quickly and effortlessly build diagrams that create a clear understanding among teams.
Build UML, ER diagrams, Data Flow Diagrams, Flowcharts, mind maps and more in the most powerful modeling software for everyone from students to enterprise teams.
Astah Professional & UML v10.1 is Here!
The latest bug-fix update for Astah Professional & Astah UML is now available! This release addresses reported issues and ensures a more stable and reliable modeling experience.
Upgrade now and experience the latest enhancements!
Download NowUnleash your full potential
Astah offers a variety of tools so you can select what’s right for you.
Astah advantages
Simplicity, quality, and community are what set Astah apart.
For more than a decade, we’ve been committed to creating software modeling tools with our customers in mind. Our extensive add-on library allows you to tailor Astah to your needs, and our abundant online content means you can easily find everything you need to start diagramming today!