yEd Graph Editor is a desktop application for drawing diagrams and graphs, such as flowcharts, network diagrams, organisation charts and UML diagrams. Users create diagrams by hand or import external data, after which automatic layout algorithms arrange large diagrams. It runs on Windows, Linux and macOS and requires a Java runtime; an online variant, yEd Live, is also available. It is an alternative to drawing tools such as Microsoft Visio or Lucidchart for people who want to edit diagrams locally.
yEd is developed by yWorks GmbH in Tübingen, Germany. The program is licensed under its own yEd software licence agreement, which also covers commercial use; it is not open source. Diagrams are saved as files on the user's own computer, so the organisation decides where the data is kept. The yWorks website is hosted by IONOS in Germany. The privacy policy states that the optional AI graph generation feature in yEd Live sends the request to OpenAI; organisations that do not want this can simply not use the feature.