vscode-plantuml
This Visual Studio Code extension offers comprehensive support for creating UML diagrams, featuring rapid server and local rendering, various editing tools, and straightforward export and preview options. Integrating seamlessly with multi-root workspaces and Markdown, it supports a range of file formats. Installation is straightforward with intrinsic support for PlantUML and Graphviz. Whether leveraging local resources or a PlantUML server, it delivers efficient performance and adaptability, enhancing visual documentation for development teams.