Structurizr
C4 architecture diagrams as code.
| Official site | None on file |
|---|---|
| Price tier | Freemium |
| Platforms | Web |
| License | Proprietary |
| Since | 2014 |
| Origin | United Kingdom |
| Status | Active |
| Category | Diagrams |
Structurizr is a Diagrams tool from United Kingdom, first released in 2014. C4 architecture diagrams as code. Status: Active.
Structurizr is Freemium. Confirm the current plan on the official site before you quote a number.
What holds up: Structurizr runs on Web.
What does not: Structurizr is proprietary. If the vendor shuts the account, you do not have a license to run the service yourself. Structurizr dates from 2014. Newer tools have fewer years of file formats and fewer written guides.
The closest listed alternative is Mermaid: Diagrams as text: flowcharts, sequences, ER.
Other tools compared in the same sitting: PlantUML (2009, Open source): Text diagrams, especially UML. Excalidraw (2020, Open source): Hand-drawn style whiteboard.
Where to compare
8 alternatives to Structurizr. Open that page to compare them.
Catalogued 2026-11-09.