ZenUML.com

A Free Sequence Diagram Online Tool

JavaScript based diagramming tool that renders Markdown-inspired text definitions to create and modify sequence diagrams dynamically.

$ pnpm install

$ pnpm start

This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.

$ pnpm build

This command generates static content into the build directory and can be served using any static contents hosting service.