DUGONG — Interactive Architecture Diagram Editor

Create and explore interactive architecture diagrams with animated connections, automatic layouts, and support for Flowcharts, Sequence, C4, and ER diagrams.

Write, arrange, and explore diagrams

Edit diagram source, arrange nodes visually, trace connections, and play sequence and C4 dynamic flows. Automatic layouts help organize your architecture.

Export and work locally

Download SVG or PNG diagrams and save your workspace in your browser. Diagram source and processing stay on your device. Optional Google Analytics measures feature usage only after consent.

DUGONG supports documented subsets of Mermaid-inspired syntax for flowcharts, sequence, C4, and entity relationship diagrams.