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.

Rational Modeler

IBM Software Subscription and Support is included in the product price for the first year.

Not available to buy online. Other ways to purchase or learn more.

Contact IBM

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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