yUML (short for Your Own UML) is a popular online development software application that enables users to create and share UML diagrams quickly and easily. It is an effective tool for software engineering, system design and architectural diagrams. With yUML, users can quickly create diagrams such as use case diagrams, class diagrams, sequence diagrams, state diagrams, activity diagrams and object diagrams. The application offers an intuitive interface with drag-and-drop elements, as well as real-time collaboration so that teams can work together on complex projects. It also provides a range of visual styling options to make diagrams look professional and attractive. yUML also allows users to export diagrams to different formats, such as PNG and SVG.
PlantUML is an offline tool, andUML is a web service.
Discontinued since 2010
Discontinued Discontinued as of September 2018. No longer available for download.
yUML is a free text-based editor. LucidChart is a wysiwyg drawing tool (not free).