PlantUML
7.4#19 in diagramming toolsFree planFree planWebAPIExtensionLinux
VisitPlantUML vs Structurizr
Structurizr
8.3#1 in diagramming softwareFrom £300 a monthFree planWebAPILinuxmacOS
VisitWhat both publish
| Fact | PlantUML | Structurizr |
|---|---|---|
| Diagram types | It supports UML diagrams including sequence, use case, class, object, activity, component, deployment, state, and timing diagrams. | system landscape,system context,container,component,code,dynamic,deployment,custom,filtered,image |
| Free plan | Yes | Yes |
| Purpose | PlantUML creates diagrams from simple textual descriptions. | Structurizr is a models-as-code tool for creating multiple software architecture diagrams from one C4 model using Structurizr DSL. |
| Support | The project directs users to its community forum for advice and solutions to common layout issues. | Support for server licenses is available through the GitHub issue tracker. |
PlantUML plans
- PlantUMLFree
Structurizr plans
- 1–20 unique users£300 a month
- 21–50 unique users£600 a month
- 51–100 unique users£900 a month
- 101–250 unique users£1,200 a month
- 251–500 unique users£1,500 a month
- 501–1000 unique users£1,800 a month
Pick PlantUML if…
PlantUML suits people who want to produce diagrams from text, including users working with UML and other structured diagram types. Local hosting is an option for sensitive diagrams, while the browser editor supports editing in a browser.
Pick Structurizr if…
Structurizr suits software teams that want to maintain architecture diagrams from a shared C4 model. Its tools and export options may suit teams choosing between browser, local, CLI, or self-hosted workflows.