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Astah Professional
Software system design tool that enables you draw UML, ER Diagram, DataFlow chart, CRUD, Mind Map, Flowchart and Requirement Table.

Astah UML
UML Modeling tool with Mind Map drawing.

Astah System Safety
New modeling tool for safety-critical systems with SysML, GSN, SCDL, STAMP/STPA and Mindmapping.

Astah SysML
SysML Modeling tool with Mind Map drawing.

Astah Viewer
Free viewer to open .asta files created by Astah Professional, UML and Community.