Astah Professional is widely recognized for its ability to handle multiple diagram types within a single environment. Key features include:

: Create UML diagrams, Entity-Relationship Diagrams (ERD), Data Flow Diagrams (DFD), Flowcharts, Mind Maps, and Requirement Tables.

: Requires Adoptium Temurin 8 (bundled with the installer for convenience). Pro 8.5 System Requirements - Astah Professional

: Version 8.5 added one-click auto-layout for Sequence Diagrams, which repositions lifelines and messages to eliminate unnecessary space.