Astah Professional, Astah SysM and Astah GSN all in one package. Astah Engineering Pack includes Astah Professional, Astah SysM and Astah GSN. Astah Professional is a UML modeling tools that combines Mind Mapping, ERD, DFD, Requirement diagrams, Flowchart, DFD and CRUD diagrams. 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 SysML is a general-purpose graphical modeling language for specifying, analyzing, designing and verifying complex systems that may include hardware, software, information, personnel, procedures and facilities.