Free, open-source visual tool for designing system architectures. Drag-and-drop services, databases, queues & more. 9 templates, dark mode, PNG/SVG/Mermaid export. 100% client-side.

A lightweight, privacy-focused client-side application for creating, rendering, and exporting Mermaid diagrams directly in your browser. No server required, no data collection, complete privacy.

A bidirectional visual editor for TODO Requirement Blueprints. Render YAML into interactive graphs, mutate architecture visually, and sync back to code.

🧩 Create and export secure Mermaid diagrams directly in your browser with this lightweight, client-side application—your privacy remains intact.