SDE for IntelliJ IDEA (CE) for Mac OS X - UML modelling tool for IntelliJ IDEA
SDE for IntelliJ IDEA is a full-featured UML CASE tool seamlessly integrated with IntelliJ IDEA. SDE supports full software development life-cycle - analysis, design, implementation, testing and deployment. SDE supports the latest UML notation, incremental round-trip engineering, reverse engineering (Java to model), code generation (model to Java), import Rational Rose...
+Use case modeling
+Visio integration
+Plug-in and template
+more