Astah GSN Replaced / Merged

Astah GSN is now available as part of Astah System Safety.

Sales of Astah GSN, the standalone Goal Structuring Notation (GSN) modeling tool by Change Vision, were discontinued on March 31, 2024. Its functionality has been fully integrated into Astah System Safety, which now serves as the comprehensive solution for safety-critical systems modeling. Astah System Safety supports GSN/D-Case, Systems Modeling Language (SysML), System-Theoretic Accident Model and Processes/System-Theoretic Process Analysis (STAMP/STPA), and Safety Concept Description Language (SCDL), providing enhanced capabilities for safety case development and system architecture analysis.

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