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. See the feature list for more details.

ArgoUML 0.26 and 0.26.2 were downloaded over 80,000 times and are in use all over the world. See the download statistics.

ArgoUML is distributed under the Eclipse Public License (EPL) 1.0.