LTB-LIGHT 8.0

Beginners, students, and commercial users alike will find Poseidon for UML to be a thorough UML tool without the limits imposed by the community versions of other tools. It contains all 9 UML diagrams and all implemented diagram elements. You can create and load projects, browse existing models, exchange models, generate Java code, export your diagrams to various formats, and much more.
The Poseidon difference
Other tools claim to be intuitive, but their interfaces are overly complex and can be intimidating for new users. Poseidon for UML has an inherent simplicity that lets you create models with ease. Download the Community Edition of Poseidon for UML and see the Poseidon difference for yourself.
Features
Fully implemented in Java, platform independent
Supports all 9 diagrams of the UML
Saving format compliant to the UML 2.0 Diagram Interchange Standard
Supports XMI 1.2 as the standard saving format. XMI 1.0, 1.1 and 1.2 can be loaded
Advanced printing options
Supports graphic formats gif, ps, eps, svg, jpg, and png
Internationalization and localization for English, German, Russian, French, Spanish, and Chinese
Code generation for Java
Simple installation and updates with Java Web Start