Astah is for individuals & teams of all sizes

Our software modeling and diagramming tools are designed with you in mind. Astah is flexible, easy to use, and perfect for everyone from college students to large, enterprise teams. Find out how we help you bring your vision to life!

section divider
computer engineering professional teaching software modeling

University faculty

Communication among professional engineering teams is an important skill that should be taught early, and Astah is the single best tool for visualizing and sharing diagrams. University faculty should consider implementing Astah as a classroom tool that will build lifelong skills for students. We offer a faculty site license that includes Astah Professional, SysML, GSN for all the faculty and students in a purchasing department.

Learn more
software engineering student


Get started learning Astah while you’re still a student, and you’ll be more marketable and prepared for your first engineering job! By using Astah while you’re still at university, you’ll learn to think strategically, communicate clearly, and follow diagramming standards that will give you an advantage over other job applicants. And, Astah offers a free license to qualified college students.

Learn more
woman diagramming software using Astah


Astah helps you brainstorm, plan, and visualize your ideas as mind maps, flowcharts, UML diagrams, ER diagrams, and more. Our tools help you share ideas in a standardized, recognizable format even with others who don’t have a license. Our free viewer means that anyone can view your diagrams and help bring your ideas to life.

Learn more
software development team using Astah

Development teams

Astah is all about team collaboration. Our tools not only help you visualize your ideas, they are built for easy collaboration. Our “Reference Model Management” feature connects multiple files and let multiple-users to work on the diagram at the same time. Files can also be merged or compared using simple but powerful tools.

Learn more

Try Astah for Free

Our free trials are fully functional. Experience the power of Astah for yourself!