draw.io

A free, open-source diagramming application that runs entirely in your browser. Create professional diagrams without any account or subscription — flowcharts, UML, network topology, org charts, mind maps, and dozens more diagram types.

What You Can Do After Deployment

1. Visit your domain — draw.io loads instantly in your browser, no login needed
2. Create diagrams — choose from hundreds of templates or start from a blank canvas
3. Use shape libraries — access built-in libraries for UML, network, electrical, floor plans, mockups, and more
4. Export your work — save as PNG, SVG, PDF, VSDX, or XML for sharing and embedding
5. Collaborate — share diagram XML files with your team or embed diagrams in wikis and documentation

Key Features

• Flowcharts, process diagrams, and decision trees
• UML diagrams — class, sequence, activity, use case, state, and more
• Network and infrastructure topology diagrams
• Org charts and tree diagrams
• Mind maps and concept maps
• BPMN 2.0 business process diagrams
• Entity-relationship (ER) diagrams
• Export to PNG, SVG, PDF, VSDX, XML, and HTML
• Hundreds of built-in shapes and templates
• No account required — fully client-side, privacy-friendly
• Runs entirely in the browser — no server-side data processing

License

Apache-2.0 — GitHub | Website