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.

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.

UML was created in an attempt to define a standard language for object-oriented programming at the OOPSLA '95 Conference. Originally, Grady Booch and James Rumbaugh merged their models into a …

That many different technical diagrams can be daunting, so here is an overview of each of the different types of UML diagrams, who draws or reads them, and why they are useful.

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 …

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

Unified Modeling Language (UML) is a standardized modeling language used to visualize the design of a system.