UML tools

List of UML tools from wiki

Netbean UML features

StarUML supports most of the diagram types specified in UML 2.0.
It is currently missing object, package, timing and Interaction overview diagrams
(though the first two can be adequately modeled through the class diagram editor).
StarUML is an open source UML tool, licensed under a modified version of GNU GPL.

Telelogic Modeler is a Unified Modeling Language (UML) 2.1 based environment for systems and software in applications ranging from enterprise IT to embedded device development.s