ArgoUML
UML modeling tool
ArgoUML is the leading open source UML modeling tool and includes support for all standard UML 1.4 diagrams. It runs on any Java platform and is available in ten languages.
There is no official package available for openSUSE Leap 16.0Distributions
openSUSE Tumbleweed
openSUSE Leap 15.6
openSUSE Leap 15.5
openSUSE Backports for SLE 15 SP4