KDE's Applications Development Umbrello
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.
- Supported formats: XMI
- Several type of diagrams supported: use case, class, sequence, communication, state, activity, component, deployment, entity relationship
Umbrello is distributed under the terms of the GNU General Public License (GPL), Version 2.