structurizr/structurizr

Visualize, collaborate, and evolve the software architecture with always actual and live diagrams from your code

C4-PlantUML combines the benefits of PlantUML and the C4 model for providing a simple way of describing and communicate software architectures

Create your software architecture models and diagrams in Go.

Turn complex codebases into clear, navigable architecture diagrams with Claude Code.

Create architecture diagrams from code automatically using large language models (LLMs).

Agent skill that turns natural language, code, Terraform/K8s, SQL, OpenAPI, AsyncAPI, Protobuf and GraphQL sources into editable, tested draw.io architecture diagrams: incremental sync, multi-view projection, drift diff, CI architecture tests, whiteboard derasterize, interactive HTML/PPTX/Mermaid exports.

Diagram generation for understanding codebases and system architecture using Nano Banana Pro.

Turn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more.

100% Free, Open-source local-first AI diagramming for architecture diagrams and flowcharts with animated exports.