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.

Features:

• Supported formats: XMI
• Several type of diagrams supported: use case, class, sequence, communication, state, activity, component, deployment, entity relationship