ArgoUML is the leading open source UML modeling tool and includes support for all standard UML diagrams. It runs on any Java platform and is available in ten languages.
All 9 UML 1.4 Diagrams supported.
Standard UML 1.4 Metamodel.
UML Profile support with profiles provided.
XMI Support.
Export Diagrams as GIF, PNG, PS, EPS, PGML and SVG.
Advanced diagram editing and Zoom.
OCL Support.
Forward Engineering.
Reverse Engineering /Jar/ class file Import.
Cognitive Support.
Reflection-in-action. argo uml free downlad.