Read a description of UML and browse extensive links to related sites in various languages.

Resource for international practitioners of UML. Find publications, events, working groups and links and join the mailing list.

Find a definition of UML and links to resources, FAQ, publications and specifications.

Guide uses visual aids to explain notation for visual representations of UML. Provides a link to companion document.

Read an introduction explaining UML and its uses. Features links to relevant resources.