Best Open Source Unified Modeling Language Tools
ArgoUML is an open source Unified Modeling Language tool. It is written in Java language and released under open source Eclipse Public License. You can run it on any Java based platform and it is available in 10 languages. It has very user friendly graphical user interface (GUI). The user interface is split in different panes are explorer,ToDo and details. ArgoUML provide diagramming features which are easy to used and provide help in formatting,allign process.