astah* professional
Total software design tool with UML, ERD, Flowchart, DFD..etc.

astah* UML
Lightweight UML diagramming tool with Mind Mapping abilities.

astah* viewer
Free viewer to open .asta files created by Astah Pro and UML.

astah* SysML
Lightweight SysML modeling tool for systems engineering.

astah* GSN
GSN (Goal Structuring Notation) editor for System assuarances.