The best free alternative to IBM Rational Rose Enterprise is Umbrello, which is both free and Open Source. If that doesn't suit you, our users have ranked nine alternatives to IBM Rational Rose Enterprise and six of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to IBM Rational Rose Enterprise are Papyrus UML (Free, Open Source), UMLet (Free, Open Source), ClickCharts (Free Personal) and Eclipse Mode Development Tools (Free, Open Source).
Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.
UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.
Clickcharts flowchart software allows for easy drawing of diagrams and flowcharts to provide a way of organising and displaying data. Lay out your ideas, organisation and processes or create UML, Venn or mind map diagrams with this flow diagram maker.