UML is both a formal metamodel and a collection of graphical templates. The metamodel defines the elements in an object-oriented model such as classes and properties.

Welcome to the Unified Modeling Language™ (UML®) website. Feel free to browse news and articles on UML, success stories, available certification and training, along with the current specifications.

Apr 16, 2026 · UML is a standardized modeling language (approved by ISO) that provides a common way for teams to visualize and communicate system design. We use UML diagrams to show the …

Create simply and freely UML diagrams from your browser thanks to PlantUML Web Server. Just enter a text diagram, and get the result in PNG or SVG format.

draw.io is free online diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams

Discover the power of the Unified Modeling Language® (UML®) as a standard for visualizing, specifying, and documenting software and systems. This page provides a comprehensive range of …

Using the UML helps project teams communicate, explore potential designs, and validate the architectural design of the software. In this article, we will give you detailed ideas about what is UML, …