Astah GSN

Astah GSN is a design tool to document arguments using the GSN (Goal Structuring Notation) which is a graphical argumentation notation to explicitly document the individual elements of arguments such as goals, solutions, contexts and its relationships and visualize the structure. Astah GSN helps provide assurance of critical properties of systems, services, organization's safety and security and can be effectively used for Safety Cases.

What is GSN?
GSN (Goal Structuring Notation) is a graphical notation developed at the University of York for specifying safety cases for safety critical systems. Several standards such as ISO26262 (Automotive E/E systems) and IEC62278 (Railway) mandate the use of safety cases and GSN supports their argumentation structures and its relation to evidences in a comprehensible yet compelling form.

Why GSN?

  • Fosters a deeper understanding of Safety Arguments across diverse Fields
  • Decreases time and...

Screenshot Gallery

Latest News

Astah GSN launched
Astah GSN launched
Present the structure of GSN arguments for system assurance and dependability.

Prices from: $ 116.62

Important Licensing Information:Please note that there may be a delay before you can use this software as a License File has to be generated using your order details. Annual Single License (Automatic...

Got a Question?

Live Chat with our Change Vision licensing specialists now.
As official and authorized distributors, ComponentSource supplies you with legitimate licenses directly from Change Vision.


Operating System for Deployment
  • Windows 8.1
  • Windows 8
  • Windows 7
  • Windows Vista
  • MacOS 10.7
  • MacOS 10.6

Recent Awards

Customer Reviews

Average Review Score: 5 (1)

5 out of 5 stars

5 star
4 star
3 star
2 star
1 star

Most recent positive review

Very very good UML tool, extremely stable & provides all the necessary features while avoiding the unnecessary bells & whistles of other products.