The IBM® Rational® Modeler product is a free UML-based software design tool.

Leverage free UML based modeling to specify, visualize, and document systems and software designs using the free IBM® Rational® Modeler product.

System requirements
Operating SystemSoftwareHardware
Windows Microsoft Windows Vista

Microsoft Windows XP Professional (SP1/SP2/SP3)
450MB disk space minimum

256MB RAM minimum

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